Collection: Nitrogen Cycle Solutions – Nitrifying/denitrifying
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Nitrifying & Denitrifying // BTA Bioscience
NITROGEN CYCLE SOLUTIONS
Complete biological nitrogen management — from ammonia oxidation to aerobic nitrate reduction. Nitrifying and denitrifying bacteria engineered for RAS, biofloc, pond, and aquaponic systems.
Aerobic Nitrate Removal
Rapid Nitrification
No Methanol Required
Biofilter Booster
NH₃→NO₂
Nitrification Rate
NO₃→N₂
Denitrification Rate
Aerobic
No Anoxic Zones Needed
100%
Organic Carbon Sources
AEROBIC NCOMP — Complete Nitrogen Reduction Microbes for Oxygenated Systems
NUTRIENT OC-K — Microbe Nutrient Growth Fuel for Bacterial Culturing
✓ Aerobic Nitrate Removal
✓ No Methanol Required
✓ No H₂S Risk
✓ Alcohol-Free Formula
✓ Metalloenzyme Core
Traditional denitrification requires anaerobic zones, methanol dosing, and specialised equipment. NCOMP removes nitrate aerobically — no anoxic reactors, no H₂S risk. Pair it with OC-K nutrient fuel for rapid biomass building and pond-side culturing. Complete nitrogen cycle management, simplified.
Featured Products
Nitrifying & Denitrifying Solutions
Two products, one complete nitrogen management system. NCOMP delivers aerobic nitrate reduction; OC-K fuels microbial growth at industrial scale.
🦠
NCOMP
Complete Nitrogen Reduction — Aerobic
Removes ammonia, nitrite, and nitrate in fully oxygenated systems. Facultative heterotrophic bacteria that oxidise organic carbon using nitrate as an electron acceptor — bypassing the need for anoxic zones entirely.
✓ Aerobic nitrate removal — no anaerobic reactors
✓ No methanol or external carbon dosing required
✓ Zero H₂S risk — operates in aerobic conditions
✓ Integrates directly with existing biofilter media
Available in 250ml, 500ml, 1000ml
View Product →
🧪
OC-K
Microbe Nutrient Growth Fuel
100% organic, alcohol-free bacterial nutrition engineered to feed Archaea through Nitrospira — with metalloenzymes, nucleotides, and trace elements. No boom-and-bust cycles.
✓ 100% organic & aquatic-based formula
✓ Alcohol-free — no rapid spikes or crashes
✓ Feeds Archaea to Nitrospira — broad spectrum
✓ Metalloenzyme core with trace elements
Available in 200ml, 500ml, 1000ml, 5L, 20L
View Product →
Synergistic Pairing
Complete Nitrogen Management System
NCOMP and OC-K are designed to work together. NCOMP provides the denitrifying bacteria; OC-K provides the fuel to grow them at scale.
🔄
Rapid Biofilter Maturation
NCOMP nitrifying and denitrifying strains colonise biofilter media within days, not weeks. OC-K accelerates biomass building for faster cycle establishment.
⚡
Pond-Side Culturing
Scale NCOMP on-site using 1ml NCOMP + 5ml OC-K per litre. Aerate 24–48 hours, then dose at 1000ml/ML. Industrial-scale denitrification without the industrial price tag.
🔬
Enhanced Biofilter Efficiency
Trace elements and nucleotides in OC-K provide metalloenzyme cofactors essential for nitrogen cycling enzymes — urease, ammonia monooxygenase, nitrite oxidoreductase, and nitrate reductase.
🛡️
Safe & Natural Operation
Both products use native carbon sources only. No methanol, no synthetic growth inducers, no risk of H₂S production. Safe for fish, crustaceans, mollusks, and aquatic plants.
The Nitrogen Cycle
From Ammonia to Nitrogen Gas
Complete biological nitrogen management in three stages — all achievable aerobically with NCOMP.
01
Ammonia → Nitrite
Nitrosomonas and Archaea oxidise toxic NH₃ to NO₂⁻. NCOMP includes native nitrifying populations for rapid startup.
02
Nitrite → Nitrate
Nitrospira and Nitrobacter convert NO₂⁻ to NO₃⁻. OC-K trace elements provide Mo, Cu, and Fe cofactors for nitrite oxidoreductase enzymes.
03
Nitrate → N₂ Gas
Facultative anaerobes in NCOMP use nitrate as an electron acceptor — even in oxygenated water. No anaerobic zone needed.
SynergyCulturing
Pair NCOMP with OC-K for maximum performance. Use OC-K to culture NCOMP pond-side at a ratio of 1ml NCOMP + 5ml OC-K per litre of water. Aerate for 24–48 hours, then dose your system at 1000ml per megalitre. Industrial-scale nitrogen mitigation with zero specialised equipment.
Dosing Protocol
Application & Maintenance
Simple, scalable dosing for systems of any size. Adjust based on bioload and water chemistry.
| Product |
Application |
Dose |
Frequency |
Notes |
| NCOMP |
Standard / Biofilter Maintenance |
1ml per 100L |
Once per week |
Direct dose into biofilter or system sump |
| NCOMP |
Startup / Light Load |
25% of standard dose |
Weekly, adjust up |
Increase gradually as bioload increases |
| NCOMP + OC-K |
Pond-Side Culturing |
1ml NCOMP + 5ml OC-K per litre |
Aerate 24–48h, dose at 1000ml/ML |
Scale for large systems economically |
| OC-K |
Biofilter Booster |
5ml per 100L |
After water changes or bioload spikes |
Provides carbon and trace element support |
Ready to Complete Your Nitrogen Cycle?
NCOMP and OC-K are available now. Australian stocked, commercial grade, no compromises.
Shop All Products
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