{"product_id":"carbox-830","title":"CARBOX 830 | Coconut Shell Granular Activated Carbon | Biotech Aquatica","description":"\u003c!-- SEO \u0026 METADATA --\u003e\n\u003cmeta name=\"description\" content=\"CARBOX⁸³⁰ — coconut shell GAC. 1100+ m²\/g, 8×30 mesh, \u0026gt;95% micropore volume. Removes DOC, chlorine, medication residues, VOCs, pesticides \u0026amp; more. Australian supplier.\"\u003e\n\u003cmeta name=\"keywords\" content=\"granular activated carbon, coconut shell carbon, GAC, aquarium carbon, aquaculture carbon, water treatment carbon, activated carbon filtration, fish tank carbon, pond carbon, 8x30 mesh carbon, carbon filtration media, micropore carbon, remove chlorine aquarium\"\u003e\n\u003clink rel=\"canonical\" href=\"{{%20canonical_url%20}}\"\u003e\n\u003cmeta property=\"og:type\" content=\"product\"\u003e\n\u003cmeta property=\"og:title\" content=\"CARBOX⁸³⁰ | Coconut Shell Granular Activated Carbon\"\u003e\n\u003cmeta property=\"og:description\" content=\"1100+ m²\/g coconut shell GAC. 98% hardness, \u0026gt;95% micropore volume. Built for aquaculture \u0026amp; water treatment.\"\u003e\n\u003cmeta property=\"og:image\" content=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0731\/5200\/4338\/files\/CloseUPgranuleGFO2.png?v=1784783380\"\u003e\n\u003cmeta property=\"og:url\" content=\"{{ canonical_url }}\"\u003e\n\u003cmeta property=\"og:site_name\" content=\"Biotech Aquatica\"\u003e\n\u003cmeta property=\"product:brand\" content=\"Biotech Aquatica\"\u003e\n\u003cmeta property=\"product:availability\" content=\"instock\"\u003e\n\u003cmeta property=\"product:condition\" content=\"new\"\u003e\n\u003cmeta name=\"twitter:card\" content=\"summary_large_image\"\u003e\n\u003cmeta name=\"twitter:title\" content=\"CARBOX⁸³⁰ | Coconut Shell Granular Activated Carbon\"\u003e\n\u003cmeta name=\"twitter:description\" content=\"1100+ m²\/g coconut shell GAC. 98% hardness, \u0026gt;95% micropore volume. Built for aquaculture \u0026amp; water treatment.\"\u003e\n\u003cmeta name=\"twitter:image\" content=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0731\/5200\/4338\/files\/Activatedcarbon1.png?v=1784849514\"\u003e\n\n\u003c!-- JSON-LD: Product --\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Product\",\"name\":\"CARBOX 830 — Coconut Shell Granular Activated Carbon\",\"description\":\"High-performance coconut shell granular activated carbon with 1100+ m²\/g surface area, 98% hardness, and \u003e95% micropore volume. 8×30 mesh (0.6–2.3 mm) for optimal fluidisation and bag retention in aquaculture and water treatment systems.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Biotech Aquatica\"},\"manufacturer\":{\"@type\":\"Organization\",\"name\":\"Biotech Aquatica\"},\"material\":\"Coconut Shell\",\"image\":[\"https:\/\/cdn.shopify.com\/s\/files\/1\/0731\/5200\/4338\/files\/Activatedcarbon1.png?v=1784849514\",\"https:\/\/cdn.shopify.com\/s\/files\/1\/0731\/5200\/4338\/files\/Activated_carbon_2.png?v=1784848176\"],\"offers\":{\"@type\":\"Offer\",\"url\":\"{{ canonical_url }}\",\"priceCurrency\":\"AUD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"condition\":\"https:\/\/schema.org\/NewCondition\"},\"additionalProperty\":[{\"@type\":\"PropertyValue\",\"name\":\"Product Name\",\"value\":\"CARBOX 830\"},{\"@type\":\"PropertyValue\",\"name\":\"Mesh Size\",\"value\":\"8×30 (0.6–2.3 mm)\"},{\"@type\":\"PropertyValue\",\"name\":\"Total Surface Area\",\"value\":\"1100–1150 m²\/g\"},{\"@type\":\"PropertyValue\",\"name\":\"Iodine Number\",\"value\":\"≥1050 mg\/g\"},{\"@type\":\"PropertyValue\",\"name\":\"CTC Activity\",\"value\":\"55%\"},{\"@type\":\"PropertyValue\",\"name\":\"Hardness\",\"value\":\"≥98%\"},{\"@type\":\"PropertyValue\",\"name\":\"Apparent Density\",\"value\":\"≥0.45 g\/ml\"},{\"@type\":\"PropertyValue\",\"name\":\"Micropore Volume\",\"value\":\"\u003e95%\"},{\"@type\":\"PropertyValue\",\"name\":\"Total Pore Volume\",\"value\":\"0.45–0.5 cm³\/g\"}]}\n\u003c\/script\u003e\n\n\u003c!-- JSON-LD: FAQPage --\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What mesh size is CARBOX 830?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"8×30 mesh, which is 0.6–2.3 mm granule size. This is the ideal range for water treatment — large enough for good fluidisation and flow, small enough for maximum surface area and treatment per pass.\"}},{\"@type\":\"Question\",\"name\":\"What does CARBOX 830 remove from water?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"CARBOX 830 adsorbs dissolved organic compounds (DOC), taste and odour compounds (geosmin, MIB), chlorine and chloramine, medication and antibiotic residues, VOCs and phenols, pesticides and herbicides, endocrine disruptors, and hydrogen sulphide\/mercaptans.\"}},{\"@type\":\"Question\",\"name\":\"Can I use this in a mesh bag or reactor?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. The 8×30 mesh granules are retained by any bag with 500 micron or smaller mesh. They also work perfectly in fluidised reactors and pressurised filter housings.\"}},{\"@type\":\"Question\",\"name\":\"How often should I replace activated carbon?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"In aquaculture and aquarium systems, replace every 4–8 weeks depending on bioload and water quality. In high-demand applications, more frequent replacement maintains peak adsorption capacity.\"}},{\"@type\":\"Question\",\"name\":\"Is coconut shell carbon better than coal-based carbon for water?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Coconut shell GAC has a more developed micropore structure than coal-based carbon, making it superior for adsorbing lower molecular weight organics commonly found in aquarium and aquaculture systems. It also produces less dust and has higher hardness.\"}},{\"@type\":\"Question\",\"name\":\"Do I need to rinse the carbon before use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes — always rinse thoroughly with fresh water before first use to remove fine dust. This carbon has very low dust content, but a quick rinse ensures crystal clear water from the start.\"}},{\"@type\":\"Question\",\"name\":\"What does 55% CTC activity mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"CTC (carbon tetrachloride) activity measures the adsorption capacity of activated carbon. 55% is a high-performance grade, indicating excellent ability to adsorb organic compounds, chlorine, and dissolved contaminants.\"}},{\"@type\":\"Question\",\"name\":\"What is micropore volume and why does \u003e95% matter?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Micropore volume measures the percentage of total pore space in the sub-2nm range. \u003e95% means virtually all pore space is micropore — exactly what you want for adsorbing small organic molecules like DOC, geosmin, MIB, medication residues and phenols. 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.main1{background:linear-gradient(135deg,var(--main1-bright),var(--main1-pale),var(--main1-mid));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}\n.bta-section-title .main2{background:linear-gradient(135deg,var(--main2-bright),var(--main2-pale));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}\n.bta-section-intro{color:var(--text-dim);font-size:1.06rem;margin-bottom:2rem;line-height:1.7;max-width:800px;}\n.bta-section-intro sup{font-size:70%;vertical-align:super;}\n\n\/* DIFF GRID *\/\n.bta-diff-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:22px;margin-top:2rem;}\n.bta-diff-card{position:relative;background:linear-gradient(165deg,rgba(4,120,184,.03),rgba(255,255,255,.01));border:1px solid rgba(4,120,184,.08);border-radius:16px;padding:2.2rem;transition:all .5s cubic-bezier(.23,1,.32,1);overflow:hidden;cursor:default;}\n.bta-diff-card:hover{transform:translateY(-8px);box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 40px rgba(4,120,184,.08);border-color:rgba(4,120,184,.2);}\n.bta-diff-card::after{content:\"\";position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(90deg,var(--main2-bright),var(--main1-bright),var(--main1-pale));opacity:.5;}\n.bta-diff-card .bta-icon{font-size:2.6rem;display:block;margin-bottom:1rem;color:var(--chrome);text-shadow:0 0 18px rgba(4,120,184,.5);}\n.bta-diff-card h3{font-family:var(--font);font-size:1.2rem;color:#fff!important;margin-bottom:.6rem;letter-spacing:.02em;text-transform:uppercase;}\n.bta-diff-card p{margin:0;color:var(--text-dim);line-height:1.75;font-size:.95rem;}\n.bta-diff-card p strong{color:var(--chrome);}\n\n\/* FEATURES *\/\n.bta-feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px;margin-top:2rem;}\n.bta-feat-card{background:var(--glass);border:1px solid var(--glass-border);border-radius:12px;padding:1.8rem;transition:all .4s;}\n.bta-feat-card:hover{transform:translateY(-4px);border-color:rgba(4,120,184,.25);box-shadow:0 0 24px rgba(4,120,184,.08);}\n.bta-feat-card h4{font-family:var(--font);color:#fff!important;font-size:1.1rem;text-transform:uppercase;margin-bottom:.5rem;letter-spacing:.02em;}\n.bta-feat-card p{color:var(--text-dim);font-size:.95rem;line-height:1.7;margin:0;}\n.bta-feat-card p strong{color:var(--chrome);}\n\n\/* QUICK GUIDE *\/\n.bta-quick-guide{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin-top:2.5rem;}\n.bta-guide-step{position:relative;background:transparent;border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:2.2rem;transition:all .4s;}\n.bta-guide-step:hover{transform:translateY(-6px);border-color:rgba(4,120,184,.3);}\n.bta-guide-num{font-family:var(--font);font-size:3.6rem;color:var(--purple-bright);line-height:1;text-shadow:0 0 20px rgba(147,51,234,.4);}\n.bta-guide-step-icon{width:64px;height:64px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;margin:1rem 0;color:#fff;}\n.bta-guide-step-icon--main1{background:linear-gradient(135deg,var(--main1-deep),var(--main1-mid),var(--main1-bright));box-shadow:var(--glow-main1);}\n.bta-guide-step-icon--main2{background:linear-gradient(135deg,var(--main2-deep),var(--main2-mid),var(--main2-bright));box-shadow:var(--glow-main2);}\n.bta-guide-step-icon--purple{background:linear-gradient(135deg,var(--purple-deep),var(--purple-mid),var(--purple-bright));box-shadow:var(--glow-purple);}\n.bta-guide-step-icon--copper{background:linear-gradient(135deg,var(--copper-deep),var(--copper),var(--copper-bright));box-shadow:var(--glow-copper);}\n.bta-guide-step h4{font-family:var(--font);font-size:1.3rem;color:#fff;text-transform:uppercase;margin-bottom:.5rem;}\n.bta-guide-step p{color:#d0d8e0;font-size:.98rem;line-height:1.8;margin:0;}\n.bta-key{font-family:var(--font-mono);background:rgba(255,255,255,.08);border-radius:4px;padding:.1rem .45rem;color:var(--main1-pale);}\n\n\/* SPEC TABLE *\/\n.bta-table-wrap{position:relative;margin:1.5rem 0;border-radius:16px;overflow:hidden;}\n.bta-table-wrap::before{content:\"\";position:absolute;inset:0;border-radius:16px;padding:1px;background:linear-gradient(135deg,rgba(4,120,184,.4),rgba(192,200,212,.25),rgba(147,51,234,.35),rgba(0,229,255,.15),rgba(4,120,184,.4));background-size:300% 300%;-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;z-index:3;animation:holographic-shift 6s linear infinite;}\n@keyframes holographic-shift{0%{background-position:0% 50%;}50%{background-position:100% 50%;}100%{background-position:0% 50%;}}\n.bta-table{width:100%;border-collapse:collapse;background:linear-gradient(180deg,rgba(4,120,184,.20),rgba(2,10,16,.97));min-width:600px;position:relative;z-index:2;font-size:.92rem;}\n.bta-table thead{background:linear-gradient(90deg,rgba(12,31,51,.8),rgba(2,10,16,.7),rgba(12,31,51,.8));position:relative;}\n.bta-table thead::after{content:\"\";position:absolute;bottom:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--main2-bright),var(--main1-bright),var(--main1-pale));}\n.bta-table th{font-family:var(--font);font-size:.75rem;text-transform:uppercase;letter-spacing:.12em;padding:1.3rem 1.1rem;text-align:left;color:var(--main1-pale);text-shadow:0 0 12px rgba(4,120,184,.2);border-bottom:none;}\n.bta-table td{padding:1.1rem;color:var(--text);border-bottom:1px solid rgba(4,120,184,.06);transition:all .25s;}\n.bta-table .bta-model{font-family:var(--font);color:var(--main1-bright);font-weight:700;letter-spacing:.03em;}\n.bta-table .bta-highlight{color:var(--cyan-energy);font-family:var(--font-mono);}\n.bta-table .bta-muted{color:var(--text-dim);font-size:.88em;}\n.bta-table tbody tr{transition:all .25s;}\n.bta-table tbody tr:hover{background:rgba(4,120,184,.06);}\n.bta-table tbody tr:hover td{color:#fff;}\n.bta-table-note{font-size:.82em;color:var(--text-dim);line-height:1.6;margin-top:.75rem;text-align:right;}\n\n\/* FAQ *\/\n.bta-faq-item{border-bottom:1px solid rgba(4,120,184,.08);padding:1.25rem 0;transition:all .3s;}\n.bta-faq-item:hover{background:rgba(4,120,184,.02);padding-left:.5rem;}\n.bta-faq-item:last-child{border-bottom:none;}\n.bta-faq-q{font-size:.98em;font-weight:700;color:var(--chrome);margin-bottom:.5rem;display:flex;gap:10px;align-items:flex-start;}\n.bta-faq-q .bta-qm{color:var(--main1-bright);font-family:var(--font);font-weight:900;font-size:1.1em;flex-shrink:0;}\n.bta-faq-a{color:var(--text-dim);font-size:.94em;line-height:1.8;padding-left:1.375rem;}\n.bta-faq-a strong{color:var(--main1-pale);}\n.bta-faq-q sup,.bta-faq-a sup{font-size:70%;vertical-align:super;}\n\n\/* HERO IMAGE *\/\n.bta-hero-img-wrap{position:relative;border-radius:16px;overflow:hidden;border:1px solid rgba(4,120,184,.15);box-shadow:0 20px 60px rgba(0,0,0,.6),0 0 40px rgba(4,120,184,.08);max-width:480px;}\n.bta-hero-img-wrap img{display:block;width:100%;height:auto;object-fit:cover;}\n\n\/* CTA *\/\n.bta-cta-dark{position:relative;text-align:center;padding:140px 20px 130px;overflow:hidden;background:var(--void);}\n.bta-cta-dark::before{content:\"\";position:absolute;inset:0;background:radial-gradient(ellipse 800px 400px at 50% 50%,rgba(4,120,184,.06),transparent 60%);}\n.bta-cta-vortex{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:600px;height:600px;border-radius:50%;border:1px solid rgba(4,120,184,.05);animation:vortex-spin 30s linear infinite;}\n.bta-cta-vortex:nth-child(2){width:450px;height:450px;border-color:rgba(192,200,212,.05);animation-direction:reverse;animation-duration:25s;}\n@keyframes vortex-spin{to{transform:translate(-50%,-50%) rotate(360deg);}}\n.bta-cta-dark .bta-wrap{position:relative;z-index:2;}\n.bta-cta-dark .bta-section-title{margin-bottom:1.5rem;text-align:center;}\n.bta-cta-dark p{color:var(--text-dim);max-width:650px;margin:0 auto;font-size:1.08rem;line-height:1.85;}\n.bta-btn{display:inline-block;font-family:var(--font);font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;padding:1rem 2.5rem;background:linear-gradient(135deg,var(--main1-bright),var(--main1-pale));color:var(--void);border-radius:4px;transition:all .3s;font-weight:700;}\n.bta-btn:hover{box-shadow:0 0 40px rgba(4,120,184,.4);transform:translateY(-2px);}\n.bta-ghost-btn{display:inline-block;font-family:var(--font);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--chrome);border:1px solid rgba(4,120,184,.3);padding:.85rem 2rem;border-radius:4px;transition:all .3s;}\n.bta-ghost-btn:hover{background:rgba(4,120,184,.05);border-color:var(--main1-bright);color:var(--main1-bright);}\n.bta-cta-btns{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-top:2rem;}\n\n\/* RESPONSIVE *\/\n@media(max-width:768px){\n  .bta-wrap{padding:0 1.5rem;}\n  .bta-page-hero .bta-wrap{flex-direction:column;text-align:center;min-height:auto;padding:4rem 1.5rem;}\n  .bta-hero-left{flex:1;text-align:center;}\n  .bta-hero-right{display:none;}\n  .bta-h2,.bta-section-title{text-align:center;font-size:clamp(2rem,7vw,3rem);}\n  .bta-page-hero-sub{text-align:center;margin:0 auto;}\n  .bta-diff-grid,.bta-feat-grid,.bta-quick-guide{grid-template-columns:1fr;}\n  .bta-table{min-width:600px;}\n  .bta-strip{clip-path:none;padding:2.5rem 2rem;margin-bottom:0;}\n  .bta-section--angle{clip-path:none;padding-top:80px;margin-top:0;}\n  .bta-trust-row{flex-direction:column;}\n  .bta-announce .bta-wrap{flex-direction:column;}\n}\n\u003c\/style\u003e\n\n\u003c!-- ═══════ HTML BODY ═══════ --\u003e\n\u003cdiv class=\"bta-pg\"\u003e\n\n  \u003c!-- HERO --\u003e\n  \u003csection class=\"bta-page-hero\"\u003e\n    \u003cdiv class=\"bta-wrap\"\u003e\n      \u003cdiv class=\"bta-hero-left\"\u003e\n        \u003cspan class=\"bta-kicker\"\u003eAquarium \u0026amp; Aquaculture Grade\u003c\/span\u003e\n        \u003ch1 class=\"bta-h2\"\u003e\n\u003cspan class=\"main1\"\u003eCARBOX\u003c\/span\u003e \u003cspan class=\"main2\"\u003e\u003csup\u003e830\u003c\/sup\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n        \u003cp class=\"bta-page-hero-sub\"\u003eCoconut shell granular activated carbon. 1100+ m²\/g surface area, \u0026gt;95% micropore volume. The 8×30 mesh (0.6–2.3 mm) delivers maximum treatment per pass — sized for fluidisation, retained by 500 micron bags.\u003c\/p\u003e\n        \u003cdiv class=\"bta-hero-img-wrap\" style=\"margin-top:2rem;\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0731\/5200\/4338\/files\/Activatedcarbon1.png?v=1784849514\" alt=\"CARBOX 830 Coconut Shell Granular Activated Carbon — 8x30 mesh\" width=\"480\" height=\"480\" fetchpriority=\"high\" decoding=\"async\"\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"bta-hero-right\"\u003e\n        \u003cdiv class=\"bta-prism-ring\"\u003e\u003c\/div\u003e\n        \u003cdiv class=\"bta-prism-ring\"\u003e\u003c\/div\u003e\n        \u003cdiv class=\"bta-prism-ring\"\u003e\u003c\/div\u003e\n        \u003cdiv style=\"display:flex;flex-direction:column;gap:12px;\"\u003e\n          \u003cdiv class=\"bta-stat-capsule\"\u003e\n\u003cspan class=\"bta-stat-num\"\u003e1150\u003c\/span\u003e\u003cspan class=\"bta-stat-label\"\u003em²\/g Surface Area\u003c\/span\u003e\n\u003c\/div\u003e\n          \u003cdiv class=\"bta-stat-capsule\"\u003e\n\u003cspan class=\"bta-stat-num\"\u003e\u0026gt;95%\u003c\/span\u003e\u003cspan class=\"bta-stat-label\"\u003eMicropore Volume\u003c\/span\u003e\n\u003c\/div\u003e\n          \u003cdiv class=\"bta-stat-capsule\"\u003e\n\u003cspan class=\"bta-stat-num\"\u003e98%\u003c\/span\u003e\u003cspan class=\"bta-stat-label\"\u003eHardness\u003c\/span\u003e\n\u003c\/div\u003e\n          \u003cdiv class=\"bta-stat-capsule\"\u003e\n\u003cspan class=\"bta-stat-num\"\u003e8×30\u003c\/span\u003e\u003cspan class=\"bta-stat-label\"\u003eMesh · 0.6–2.3 mm\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ANNOUNCEMENT --\u003e\n  \u003csection class=\"bta-announce\"\u003e\n    \u003cdiv class=\"bta-wrap\"\u003e\n      \u003cdiv class=\"bta-announce-row\"\u003e\n\u003cspan class=\"bta-badge bta-badge-new\"\u003eNEW\u003c\/span\u003e\u003cspan\u003e1100–1150 m²\/g Total Surface Area\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"bta-announce-row\"\u003e\n\u003cspan class=\"bta-badge bta-badge-feat\"\u003eMICROPORE\u003c\/span\u003e\u003cspan\u003e\u0026gt;95% Micropore Volume · \u0026lt;2nm Pore Size\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"bta-announce-row\"\u003e\n\u003cspan class=\"bta-badge bta-badge-cold\"\u003eULTRA HARD\u003c\/span\u003e\u003cspan\u003e55% CTC Activity · 98% Hardness · Very Low Dust\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- TRUST + INTRO --\u003e\n  \u003cdiv class=\"bta-wrap\" style=\"padding-top:60px;padding-bottom:60px;\"\u003e\n    \u003cdiv class=\"bta-trust-row\" style=\"margin-bottom:2.5rem;\"\u003e\n      \u003cdiv class=\"bta-trust-badge\"\u003e\n\u003cspan class=\"bta-tick\"\u003e✓\u003c\/span\u003e 8×30 Mesh (0.6–2.3 mm)\u003c\/div\u003e\n      \u003cdiv class=\"bta-trust-badge\"\u003e\n\u003cspan class=\"bta-tick\"\u003e✓\u003c\/span\u003e \u0026gt;95% Micropore Volume\u003c\/div\u003e\n      \u003cdiv class=\"bta-trust-badge\"\u003e\n\u003cspan class=\"bta-tick\"\u003e✓\u003c\/span\u003e ≥98% Hardness\u003c\/div\u003e\n      \u003cdiv class=\"bta-trust-badge\"\u003e\n\u003cspan class=\"bta-tick\"\u003e✓\u003c\/span\u003e ≤5% Moisture\u003c\/div\u003e\n      \u003cdiv class=\"bta-trust-badge\"\u003e\n\u003cspan class=\"bta-tick\"\u003e✓\u003c\/span\u003e ≤8% Ash Content\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"bta-strip\"\u003e\n      \u003cstrong\u003eCARBOX\u003csup\u003e830\u003c\/sup\u003e\u003c\/strong\u003e is a high-performance coconut shell granular activated carbon manufactured via high-temperature steam activation. With \u003cem\u003e\u0026gt;95% micropore volume\u003c\/em\u003e and pores under 2nm, it excels at adsorbing the small organic molecules that cause discolouration, odour, and dissolved organics in recirculating aquaculture and aquarium systems. The 8×30 mesh (0.6–2.3 mm) delivers high surface area and treatment per pass, excellent fluidisation in reactors, and easy retention in any 500 micron or smaller mesh bag.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- THE DIFFERENCE --\u003e\n  \u003csection class=\"bta-section-dark\"\u003e\n    \u003cdiv class=\"bta-wrap\"\u003e\n      \u003cspan class=\"bta-section-label\"\u003eWhy This Carbon\u003c\/span\u003e\n      \u003ch2 class=\"bta-section-title\"\u003e\n\u003cspan class=\"main1\"\u003eThe\u003c\/span\u003e \u003cspan class=\"main2\"\u003eDifference\u003c\/span\u003e\n\u003c\/h2\u003e\n      \u003cp class=\"bta-section-intro\"\u003eNot all carbon is created equal. Here's why coconut shell GAC outperforms generic carbon in aquaculture and water treatment.\u003c\/p\u003e\n      \u003cdiv class=\"bta-diff-grid\"\u003e\n        \u003cdiv class=\"bta-diff-card\"\u003e\n          \u003cspan class=\"bta-icon\"\u003e🔬\u003c\/span\u003e\n          \u003ch3\u003e\u0026gt;95% Micropore Volume\u003c\/h3\u003e\n          \u003cp\u003e\u003cstrong\u003eVirtually all pore space is sub-2nm micropores.\u003c\/strong\u003e These tiny pores adsorb the small organic molecules (DOC, geosmin, MIB, medication residues, phenols) that cheap, broad-pore carbon misses entirely.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"bta-diff-card\"\u003e\n          \u003cspan class=\"bta-icon\"\u003e⚡\u003c\/span\u003e\n          \u003ch3\u003e1100+ m²\/g Surface Area\u003c\/h3\u003e\n          \u003cp\u003e\u003cstrong\u003e1100–1150 m²\/g total surface area\u003c\/strong\u003e with 55% CTC activity and ≥1050 mg\/g iodine number. Every gram has more adsorption sites than most competitors — more contaminant removal per pass.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"bta-diff-card\"\u003e\n          \u003cspan class=\"bta-icon\"\u003e🛡️\u003c\/span\u003e\n          \u003ch3\u003e98% Hardness · Low Dust\u003c\/h3\u003e\n          \u003cp\u003e\u003cstrong\u003eIndustry-leading hardness\u003c\/strong\u003e means less fracturing, fewer fines, and longer bed life. Very low dust means crystal clear water from the first rinse — critical in display aquaria and broodstock systems.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"bta-diff-card\"\u003e\n          \u003cspan class=\"bta-icon\"\u003e🌊\u003c\/span\u003e\n          \u003ch3\u003ePerfect 8×30 Mesh Size\u003c\/h3\u003e\n          \u003cp\u003e\u003cstrong\u003e0.6–2.3 mm granules\u003c\/strong\u003e — small enough for maximum surface area and treatment per pass, large enough for excellent fluidisation. Retained by any 500 micron or smaller mesh bag. No bypass, no blow-through.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- FEATURES --\u003e\n  \u003csection class=\"bta-section bta-section--angle\"\u003e\n    \u003cdiv class=\"bta-wrap\"\u003e\n      \u003cspan class=\"bta-section-label\"\u003eTechnical Specifications\u003c\/span\u003e\n      \u003ch2 class=\"bta-section-title\"\u003e\n\u003cspan class=\"main1\"\u003eWhat's\u003c\/span\u003e \u003cspan class=\"main2\"\u003eInside\u003c\/span\u003e\n\u003c\/h2\u003e\n      \u003cp class=\"bta-section-intro\"\u003eEvery specification engineered for performance. Coconut shell base, steam activated, graded to 8×30 mesh for the filtration professional.\u003c\/p\u003e\n      \u003cdiv class=\"bta-feat-grid\"\u003e\n        \u003cdiv class=\"bta-feat-card\"\u003e\n\u003ch4\u003eTotal Surface Area\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e1100–1150 m²\/g\u003c\/strong\u003e measured by N₂ BET method. Massive internal surface for maximum contaminant adsorption in a single pass.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"bta-feat-card\"\u003e\n\u003ch4\u003eMicropore Volume\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e\u0026gt;95%\u003c\/strong\u003e of total pore volume in the sub-2nm micropore range. This is what separates high-grade coconut shell carbon from generic coal-based alternatives.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"bta-feat-card\"\u003e\n\u003ch4\u003eIodine Number\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e≥1050 mg\/g\u003c\/strong\u003e per ASTM D4607. High iodine adsorption confirms excellent microporosity for small-molecule removal.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"bta-feat-card\"\u003e\n\u003ch4\u003eCTC Activity\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e55%\u003c\/strong\u003e per ASTM D3467. Carbon tetrachloride activity measures overall adsorption capacity — 55% is a high-performance grade.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"bta-feat-card\"\u003e\n\u003ch4\u003eHardness\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e≥98%\u003c\/strong\u003e per ASTM D3802. Exceptional resistance to attrition — longer bed life, fewer fines, less maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"bta-feat-card\"\u003e\n\u003ch4\u003eApparent Density\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e≥0.45 g\/ml\u003c\/strong\u003e per ASTM D2854. High density for its class — won't float during backwash, stays where you put it.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"bta-feat-card\"\u003e\n\u003ch4\u003eAsh \u0026amp; Moisture\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e≤8% ash\u003c\/strong\u003e (ASTM D2866) and \u003cstrong\u003e≤5% moisture\u003c\/strong\u003e (ASTM D2867). Low impurities mean more active carbon per kilogram.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"bta-feat-card\"\u003e\n\u003ch4\u003ePore Structure\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e0.45–0.5 cm³\/g\u003c\/strong\u003e total pore volume with \u0026gt;95% in the micropore range (\u0026lt;2nm). Engineered for small-molecule organic adsorption.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- CONTAMINANTS REMOVED --\u003e\n  \u003csection class=\"bta-section-dark\"\u003e\n    \u003cdiv class=\"bta-wrap\"\u003e\n      \u003cspan class=\"bta-section-label\"\u003eWhat It Removes\u003c\/span\u003e\n      \u003ch2 class=\"bta-section-title\"\u003e\n\u003cspan class=\"main1\"\u003eContaminants\u003c\/span\u003e \u003cspan class=\"main2\"\u003eRemoved\u003c\/span\u003e\n\u003c\/h2\u003e\n      \u003cp class=\"bta-section-intro\"\u003eCARBOX\u003csup\u003e830\u003c\/sup\u003e's \u0026gt;95% micropore volume targets the small organic molecules that broad-pore carbons miss. Here's what it adsorbs from your water.\u003c\/p\u003e\n      \u003cdiv class=\"bta-feat-grid\"\u003e\n        \u003cdiv class=\"bta-feat-card\"\u003e\n\u003ch4\u003eDissolved Organic Compounds (DOC)\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eYellow water, tannins, humic acids.\u003c\/strong\u003e The micropore structure targets the low molecular weight organics that cause discolouration and feed nuisance algae in recirculating systems.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"bta-feat-card\"\u003e\n\u003ch4\u003eTaste \u0026amp; Odour Compounds\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eGeosmin and 2-MIB.\u003c\/strong\u003e The musty, earthy smell in aquaculture water — the exact molecules coconut shell micropores are optimised to adsorb at low concentrations.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"bta-feat-card\"\u003e\n\u003ch4\u003eChlorine \u0026amp; Chloramine\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eMunicipal water treatment residuals.\u003c\/strong\u003e CARBOX\u003csup\u003e830\u003c\/sup\u003e neutralises free chlorine and breaks chloramine bonds — essential for water changes and hatchery makeup water.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"bta-feat-card\"\u003e\n\u003ch4\u003eMedication \u0026amp; Antibiotic Residues\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003ePost-treatment cleanup.\u003c\/strong\u003e After formalin, malachite green, antibiotic, or copper treatments, CARBOX\u003csup\u003e830\u003c\/sup\u003e adsorbs residual actives to protect biofilters and sensitive species.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"bta-feat-card\"\u003e\n\u003ch4\u003eVOCs \u0026amp; Phenols\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eVolatile organic compounds and phenolic compounds.\u003c\/strong\u003e Byproducts of organic decomposition, plastic off-gassing, and source water contamination. Adsorbed at low concentrations by the micropore structure.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"bta-feat-card\"\u003e\n\u003ch4\u003ePesticides \u0026amp; Herbicides\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eAgricultural runoff compounds.\u003c\/strong\u003e Source water in regional and rural areas carries trace pesticides and herbicides — CARBOX\u003csup\u003e830\u003c\/sup\u003e captures these before they reach stock.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"bta-feat-card\"\u003e\n\u003ch4\u003eEndocrine Disruptors\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003ePharmaceuticals and synthetic hormones.\u003c\/strong\u003e Trace compounds that affect reproduction in fish and crustaceans. The sub-2nm pore structure targets these small molecules effectively.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"bta-feat-card\"\u003e\n\u003ch4\u003eHydrogen Sulphide \u0026amp; Mercaptans\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eRotten egg smell.\u003c\/strong\u003e Produced by anaerobic zones in systems with detritus buildup. CARBOX\u003csup\u003e830\u003c\/sup\u003e adsorbs these sulphur compounds, protecting stock health and worker safety.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- QUICK START --\u003e\n  \u003csection class=\"bta-section\"\u003e\n    \u003cdiv class=\"bta-wrap\"\u003e\n      \u003cspan class=\"bta-section-label\"\u003eHow To Use\u003c\/span\u003e\n      \u003ch2 class=\"bta-section-title\"\u003e\n\u003cspan class=\"main1\"\u003eQuick\u003c\/span\u003e \u003cspan class=\"main2\"\u003eStart\u003c\/span\u003e\n\u003c\/h2\u003e\n      \u003cp class=\"bta-section-intro\"\u003eFrom bag to filter in four steps. Works in media bags, fluidised reactors, and pressurised filter housings.\u003c\/p\u003e\n      \u003cdiv class=\"bta-quick-guide\"\u003e\n        \u003cdiv class=\"bta-guide-step\"\u003e\n\u003cspan class=\"bta-guide-num\"\u003e01\u003c\/span\u003e\u003cdiv class=\"bta-guide-step-icon bta-guide-step-icon--main1\"\u003e💧\u003c\/div\u003e\n\u003ch4\u003eRinse Thoroughly\u003c\/h4\u003e\n\u003cp\u003eFlush with fresh water until it runs clear. This carbon has very low dust, but a quick rinse ensures crystal clear water from the start. Use a \u003cspan class=\"bta-key\"\u003e500μm\u003c\/span\u003e or finer bag if running loose.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"bta-guide-step\"\u003e\n\u003cspan class=\"bta-guide-num\"\u003e02\u003c\/span\u003e\u003cdiv class=\"bta-guide-step-icon bta-guide-step-icon--main2\"\u003e📦\u003c\/div\u003e\n\u003ch4\u003eLoad Your Filter\u003c\/h4\u003e\n\u003cp\u003ePlace in a media bag, fluidised reactor, or pressurised filter housing. The \u003cspan class=\"bta-key\"\u003e0.6–2.3 mm\u003c\/span\u003e granules fluidise evenly and won't compact or channel under normal flow rates.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"bta-guide-step\"\u003e\n\u003cspan class=\"bta-guide-num\"\u003e03\u003c\/span\u003e\u003cdiv class=\"bta-guide-step-icon bta-guide-step-icon--purple\"\u003e⏱️\u003c\/div\u003e\n\u003ch4\u003eMaximise Contact Time\u003c\/h4\u003e\n\u003cp\u003eSlower flow = better adsorption. Aim for adequate contact time through the carbon bed. In RAS and recirculating systems, position downstream of biological filtration for best results.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"bta-guide-step\"\u003e\n\u003cspan class=\"bta-guide-num\"\u003e04\u003c\/span\u003e\u003cdiv class=\"bta-guide-step-icon bta-guide-step-icon--copper\"\u003e🔄\u003c\/div\u003e\n\u003ch4\u003eReplace Regularly\u003c\/h4\u003e\n\u003cp\u003eReplace every \u003cspan class=\"bta-key\"\u003e4–8 weeks\u003c\/span\u003e depending on bioload and water quality. Spent carbon cannot be regenerated in the field — fresh carbon maintains peak adsorption capacity.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- SPEC TABLE --\u003e\n  \u003csection class=\"bta-section-dark\"\u003e\n    \u003cdiv class=\"bta-wrap\"\u003e\n      \u003cspan class=\"bta-section-label\"\u003eFull Specifications\u003c\/span\u003e\n      \u003ch2 class=\"bta-section-title\"\u003e\n\u003cspan class=\"main1\"\u003eTech\u003c\/span\u003e \u003cspan class=\"main2\"\u003eSpecs\u003c\/span\u003e\n\u003c\/h2\u003e\n      \u003cdiv class=\"bta-table-wrap\"\u003e\n        \u003ctable class=\"bta-table\"\u003e\n          \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003cth\u003eTest Method\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n          \u003ctbody\u003e\n            \u003ctr\u003e\n\u003ctd class=\"bta-model\"\u003eTotal Surface Area\u003c\/td\u003e\n\u003ctd class=\"bta-highlight\"\u003e1100–1150 m²\/g\u003c\/td\u003e\n\u003ctd class=\"bta-muted\"\u003eN₂ BET Method\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd class=\"bta-model\"\u003eCTC Activity\u003c\/td\u003e\n\u003ctd class=\"bta-highlight\"\u003e55%\u003c\/td\u003e\n\u003ctd class=\"bta-muted\"\u003eASTM D3467\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd class=\"bta-model\"\u003eIodine Number, min\u003c\/td\u003e\n\u003ctd class=\"bta-highlight\"\u003e1050 mg\/g\u003c\/td\u003e\n\u003ctd class=\"bta-muted\"\u003eASTM D4607\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd class=\"bta-model\"\u003eHardness, min\u003c\/td\u003e\n\u003ctd class=\"bta-highlight\"\u003e98%\u003c\/td\u003e\n\u003ctd class=\"bta-muted\"\u003eASTM D3802\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd class=\"bta-model\"\u003eApparent Density, min\u003c\/td\u003e\n\u003ctd class=\"bta-highlight\"\u003e0.45 g\/ml\u003c\/td\u003e\n\u003ctd class=\"bta-muted\"\u003eASTM D2854\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd class=\"bta-model\"\u003eAsh Content, max\u003c\/td\u003e\n\u003ctd class=\"bta-highlight\"\u003e8%\u003c\/td\u003e\n\u003ctd class=\"bta-muted\"\u003eASTM D2866\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd class=\"bta-model\"\u003eMoisture, max\u003c\/td\u003e\n\u003ctd class=\"bta-highlight\"\u003e5%\u003c\/td\u003e\n\u003ctd class=\"bta-muted\"\u003eASTM D2867\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd class=\"bta-model\"\u003eTotal Pore Volume\u003c\/td\u003e\n\u003ctd class=\"bta-highlight\"\u003e0.45–0.5 cm³\/g\u003c\/td\u003e\n\u003ctd class=\"bta-muted\"\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd class=\"bta-model\"\u003eMicropore Volume\u003c\/td\u003e\n\u003ctd class=\"bta-highlight\"\u003e\u0026gt;95%\u003c\/td\u003e\n\u003ctd class=\"bta-muted\"\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd class=\"bta-model\"\u003eMicropore Size\u003c\/td\u003e\n\u003ctd class=\"bta-highlight\"\u003e\u0026lt;2 nm\u003c\/td\u003e\n\u003ctd class=\"bta-muted\"\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd class=\"bta-model\"\u003eMesh Size\u003c\/td\u003e\n\u003ctd class=\"bta-highlight\"\u003e8×30 (0.6–2.3 mm)\u003c\/td\u003e\n\u003ctd class=\"bta-muted\"\u003emin 90%\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003c\/tbody\u003e\n        \u003c\/table\u003e\n      \u003c\/div\u003e\n      \u003cp class=\"bta-table-note\"\u003eAll specifications are typical values. Tested per ASTM methods where indicated.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- FAQ --\u003e\n  \u003csection class=\"bta-section\"\u003e\n    \u003cdiv class=\"bta-wrap\"\u003e\n      \u003cspan class=\"bta-section-label\"\u003eQuestions\u003c\/span\u003e\n      \u003ch2 class=\"bta-section-title\"\u003e\u003cspan class=\"main1\"\u003eFAQ\u003c\/span\u003e\u003c\/h2\u003e\n      \u003cdiv class=\"bta-faq-item\"\u003e\n\u003cdiv class=\"bta-faq-q\"\u003e\n\u003cspan class=\"bta-qm\"\u003eQ.\u003c\/span\u003e What mesh size is CARBOX\u003csup\u003e830\u003c\/sup\u003e?\u003c\/div\u003e\n\u003cdiv class=\"bta-faq-a\"\u003e8×30 mesh, which is \u003cstrong\u003e0.6–2.3 mm\u003c\/strong\u003e granule size. This is the ideal range for water treatment — large enough for good fluidisation and flow, small enough for maximum surface area and treatment per pass.\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"bta-faq-item\"\u003e\n\u003cdiv class=\"bta-faq-q\"\u003e\n\u003cspan class=\"bta-qm\"\u003eQ.\u003c\/span\u003e What does CARBOX\u003csup\u003e830\u003c\/sup\u003e remove from water?\u003c\/div\u003e\n\u003cdiv class=\"bta-faq-a\"\u003eCARBOX\u003csup\u003e830\u003c\/sup\u003e adsorbs \u003cstrong\u003edissolved organic compounds (DOC), taste and odour compounds (geosmin, MIB), chlorine and chloramine, medication and antibiotic residues, VOCs and phenols, pesticides and herbicides, endocrine disruptors, and hydrogen sulphide\/mercaptans\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"bta-faq-item\"\u003e\n\u003cdiv class=\"bta-faq-q\"\u003e\n\u003cspan class=\"bta-qm\"\u003eQ.\u003c\/span\u003e Can I use this in a mesh bag or reactor?\u003c\/div\u003e\n\u003cdiv class=\"bta-faq-a\"\u003eYes. The 8×30 mesh granules are retained by any bag with \u003cstrong\u003e500 micron or smaller mesh\u003c\/strong\u003e. They also work perfectly in fluidised reactors and pressurised filter housings.\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"bta-faq-item\"\u003e\n\u003cdiv class=\"bta-faq-q\"\u003e\n\u003cspan class=\"bta-qm\"\u003eQ.\u003c\/span\u003e How often should I replace activated carbon?\u003c\/div\u003e\n\u003cdiv class=\"bta-faq-a\"\u003eIn aquaculture and aquarium systems, replace every \u003cstrong\u003e4–8 weeks\u003c\/strong\u003e depending on bioload and water quality. In high-demand applications, more frequent replacement maintains peak adsorption capacity.\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"bta-faq-item\"\u003e\n\u003cdiv class=\"bta-faq-q\"\u003e\n\u003cspan class=\"bta-qm\"\u003eQ.\u003c\/span\u003e Is coconut shell carbon better than coal-based carbon for water?\u003c\/div\u003e\n\u003cdiv class=\"bta-faq-a\"\u003eCoconut shell GAC has a more developed micropore structure than coal-based carbon, making it \u003cstrong\u003esuperior for adsorbing lower molecular weight organics\u003c\/strong\u003e commonly found in aquarium and aquaculture systems. It also produces less dust and has higher hardness.\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"bta-faq-item\"\u003e\n\u003cdiv class=\"bta-faq-q\"\u003e\n\u003cspan class=\"bta-qm\"\u003eQ.\u003c\/span\u003e Do I need to rinse the carbon before use?\u003c\/div\u003e\n\u003cdiv class=\"bta-faq-a\"\u003eYes — always rinse thoroughly with fresh water before first use to remove fine dust. This carbon has \u003cstrong\u003every low dust content\u003c\/strong\u003e, but a quick rinse ensures crystal clear water from the start.\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"bta-faq-item\"\u003e\n\u003cdiv class=\"bta-faq-q\"\u003e\n\u003cspan class=\"bta-qm\"\u003eQ.\u003c\/span\u003e What does 55% CTC activity mean?\u003c\/div\u003e\n\u003cdiv class=\"bta-faq-a\"\u003eCTC (carbon tetrachloride) activity measures the adsorption capacity of activated carbon. \u003cstrong\u003e55% is a high-performance grade\u003c\/strong\u003e, indicating excellent ability to adsorb organic compounds, chlorine, and dissolved contaminants.\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"bta-faq-item\"\u003e\n\u003cdiv class=\"bta-faq-q\"\u003e\n\u003cspan class=\"bta-qm\"\u003eQ.\u003c\/span\u003e What is micropore volume and why does \u0026gt;95% matter?\u003c\/div\u003e\n\u003cdiv class=\"bta-faq-a\"\u003eMicropore volume measures the percentage of total pore space in the sub-2nm range. \u003cstrong\u003e\u0026gt;95% means virtually all pore space is micropore\u003c\/strong\u003e — exactly what you want for adsorbing small organic molecules like DOC, geosmin, MIB, medication residues and phenols. This is what separates CARBOX\u003csup\u003e830\u003c\/sup\u003e from cheaper, lower-grade carbons.\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- TRADE \u0026 WHOLESALE CTA --\u003e\n  \u003csection class=\"bta-cta-dark\"\u003e\n    \u003cdiv class=\"bta-cta-vortex\"\u003e\u003c\/div\u003e\n    \u003cdiv class=\"bta-cta-vortex\"\u003e\u003c\/div\u003e\n    \u003cdiv class=\"bta-wrap\"\u003e\n      \u003ch2 class=\"bta-section-title\" style=\"text-align:center;\"\u003e\n\u003cspan class=\"main1\"\u003eTrade\u003c\/span\u003e \u003cspan class=\"main2\"\u003e\u0026amp; Wholesale\u003c\/span\u003e\n\u003c\/h2\u003e\n      \u003cp\u003eNeed bulk quantities for commercial aquaculture, hatcheries, or water treatment operations? We supply carbon by the bag, pallet, or container load — with pricing to match.\u003c\/p\u003e\n      \u003cdiv class=\"bta-cta-btns\"\u003e\n        \u003ca href=\"\/pages\/contact\" class=\"bta-btn\"\u003eGet Trade Pricing\u003c\/a\u003e\n        \u003ca href=\"\/pages\/contact\" class=\"bta-ghost-btn\"\u003eRequest A Sample\u003c\/a\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n\u003c\/div\u003e","brand":"Biotech Aquatica ","offers":[{"title":"CARBOX-830 high capacity carbon 0.6-2.3mm 500gm (1000ml)","offer_id":49837134905586,"sku":"CARB-830-500gm","price":26.45,"currency_code":"AUD","in_stock":true},{"title":"CARBOX-830 high capacity carbon 0.6-2.3mm 1000gm (2000ml)","offer_id":49837134938354,"sku":"CARB-830-1000gm","price":44.65,"currency_code":"AUD","in_stock":true},{"title":"CARBOX-830 high capacity carbon 0.6-2.3mm 5000gm (10 litres)","offer_id":49837134971122,"sku":"CARB-830-5000gm","price":202.5,"currency_code":"AUD","in_stock":true},{"title":"CARBOX-830 high capacity carbon 0.6-2.3mm 10000gm (20 litres)","offer_id":49837135003890,"sku":"CARB-830-10000gm","price":360.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/5200\/4338\/files\/Activatedcarbon1.png?v=1784849514","url":"https:\/\/www.btaqua.com.au\/products\/carbox-830","provider":"Biotech Aquatica ","version":"1.0","type":"link"}