Probiotic Aquaculture Treatment — Healthier Ponds for Fish & Shrimp Farming

Sanitify probiotic aquaculture treatment reduces ammonia, BOD, and pathogenic bacteria in fish and shrimp ponds — improving dissolved oxygen, reducing fish mortality, and supporting sustainable production without chemical inputs.

Why Aquaculture Producers Use Probiotic Water Treatment

Aquaculture is the fastest-growing food production sector in the world — and water quality is its single greatest limiting factor. In intensive fish and shrimp farming, organic waste accumulates rapidly: uneaten feed, faecal matter, and dead algae decompose to produce ammonia, nitrite, and hydrogen sulphide. These compounds suppress fish immune function, reduce feed intake, and create the anaerobic conditions in which pathogenic bacteria — Aeromonas, Vibrio, Pseudomonas — proliferate.

Traditional approaches rely on chemical treatments, UV sterilisation, and ozone. These are effective against acute bacterial challenges but do nothing to address the underlying organic loading that drives the problem. Chemical biocides are incompatible with prawn and shrimp sensitivity, and UV systems are expensive to run and cannot treat settled sludge layers.

Sanitify Probiotic Aquaculture Treatment works at the biological level. A consortium of Bacillus subtilis, Bacillus licheniformis, and Bacillus fermentis is dosed directly into the water column. These organisms degrade organic sludge at the pond or tank bottom, reduce ammonia and BOD, suppress Vibrio and Aeromonas proliferation, and improve dissolved oxygen levels — creating the conditions for optimal fish and shrimp growth without chemical inputs.

Yes — Sanitify contains only naturally occurring Bacillus species non-toxic to fish, shrimp, and aquatic invertebrates at all recommended dosing levels.
Sanitify Bacillus bacteria digest the organic waste (uneaten feed and faeces) that decomposes to produce ammonia. By reducing the organic substrate, Sanitify reduces ammonia production at source.
Yes — effective in marine and brackish water shrimp ponds at 5ml per 1,000L. Reduces Vibrio and other bacterial pathogens while managing the organic bottom sediment that drives pond anoxia.
Sanitify treatment reduces the biological oxygen demand (BOD) of pond water — meaning less oxygen is consumed by organic decomposition. This typically results in higher dissolved oxygen levels.
Sanitify contains naturally occurring Bacillus strains that do not introduce synthetic chemicals. Operators should verify compatibility with their specific organic certification body.

Dose the Pond — Restore Biological Balance

Add Sanitify to the pond or tank by broadcasting concentrate across the water surface or distributing through aeration equipment at 5ml per 1,000L. Bacillus bacteria distribute throughout the water column and colonise pond floor sediment within 24–48 hours. Re-dose every 3–4 weeks or as indicated by ammonia and BOD monitoring.

What our customers are saying?

Sanitify Probiotic Pool Cleaner has completely changed our pool care. We don’t miss the chemical smells or the irritation – the water is always clean and clear. Best decision we made for our pool!” – Liina
Liina
We wanted a natural alternative to chlorine for our pool, and Sanitify was the perfect solution. Not only does it keep the pool spotless, but I feel better knowing there are no harmful chemicals around my kids. The water smells fresh, and we couldn’t be happier!” – James
Anne
My kids have sensitive skin, so using chemicals in the pool was always a concern. With Sanitify, there’s no irritation, no red eyes, and the water feels so much softer. I can’t recommend it enough for families!
Kristi

Reduce Ammonia and BOD — Improve Dissolved Oxygen

Organic waste decomposition — the principal driver of ammonia and BOD in aquaculture systems — is accelerated by probiotic enzyme activity. The Bacillus consortium produces protease, amylase, lipase, and cellulase enzymes that mineralise organic matter before it undergoes anaerobic decomposition. In trials on tilapia and shrimp ponds, Sanitify treatment reduced ammonia nitrogen (NH3-N) by 55–72% and biochemical oxygen demand (BOD5) by 40–68% over a 21-day treatment period.

Dissolved oxygen — the single most important factor in fish stocking density limits — improved by an average of 1.8 mg/L in probiotic-treated ponds compared to controls. This improvement enables higher stocking densities and extends the safe operational window for intensive production.

Harmful algal blooms (HABs) are triggered by excess nutrient loading — particularly phosphorus and nitrogen compounds released from decomposing organic matter. By accelerating the mineralisation of this organic matter before it reaches the water column as dissolved nutrients, Sanitify reduces the substrate available for opportunistic algal species. In pilot studies on commercial tilapia ponds in Southern Europe, HAB frequency was reduced by 63% in the probiotic-treated system over a 90-day growing season. Water clarity, as measured by Secchi disk depth, improved by an average of 34 cm.

Bacillus Technology in Aquaculture Ponds and Tanks

The Sanitify aquaculture formula contains a blend of Bacillus subtilis, Bacillus licheniformis, and Bacillus fermentis — three species with complementary metabolic capabilities proven effective in pond and recirculating aquaculture system (RAS) environments. Each organism produces a different array of hydrolytic enzymes, ensuring complete degradation of the major organic substrate fractions present in aquaculture systems.

Bacillus subtilis is the primary organic matter degrader, producing high-activity protease and amylase. Bacillus licheniformis produces lichenase and lipase, targeting lipid-rich feed residues. Bacillus fermentis contributes the competitive exclusion and bacteriocin activity that suppresses Vibrio and Aeromonas — the two most economically significant pathogens in global shrimp and salmon aquaculture respectively.

All three species are spore-forming, giving the product a shelf life of 24 months and stability across a wide temperature range (5–40°C). Spores germinate and become metabolically active within 2–4 hours of entering the water column, reaching effective population densities within 24 hours of dosing.

Safety profile: all three species are non-pathogenic to fish, shrimp, humans, and wildlife. The product has no ecotoxicity classification and is compatible with effluent discharge standards across EU member states.

Aquaculture Treatment Applications

Sanitify probiotic aquaculture treatment is used across all major production systems:

  • Freshwater fish ponds — Tilapia, carp, catfish, perch, and trout in earthen and lined ponds
  • Marine and brackish shrimp ponds — Penaeus vannamei (whiteleg shrimp) and Penaeus monodon (black tiger prawn)
  • Recirculating aquaculture systems (RAS) — Biofilter support and sump sludge reduction in intensive indoor production
  • Salmon and trout net pen systems — Sea lice reduction through improved water quality and reduced organic sediment beneath pens
  • Ornamental and sport fishery ponds — Water clarity improvement and algae control in recreational fisheries
  • Hatcheries — Larval and juvenile tank water treatment to reduce early mortality from bacterial challenge

Dosing protocol: broadcast 3–5 ml per 1,000 litres of pond volume twice weekly during the initial 4-week establishment phase, then once weekly for maintenance. In RAS systems, dose directly into the sump or biofilter feed line at 1 ml per 1,000 litres daily. Available in 30ml concentrate (trials and small tanks) and 5L (production ponds and tanks).

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Aquaculture FAQ

A 1ha pond at 1.5m average depth contains approximately 15,000,000L of water. At 5ml per 1,000L, this requires 75L of Sanitify per treatment cycle.
Recirculating aquaculture systems (RAS) with intensive stocking should be dosed every 2 weeks. At high organic loads, increase to weekly dosing.
Sanitify is not a veterinary medicine and does not treat active bacterial disease. However, regular Sanitify treatment reduces pathogen pressure in pond water — supporting disease prevention and potentially reducing the need for antibiotic intervention.
Bacillus bacteria are active from 4–45°C. In cold water aquaculture (8–15°C), bacterial activity is lower but still effective. Increase dose frequency to every 2–3 weeks in cold water production.
No — Sanitify has no effect on the flavour or texture of farmed fish or shellfish at recommended doses. No chemical residues in fish tissue.
Avoid simultaneous use as copper is bactericidal. Apply Sanitify 72 hours after any copper treatment cycle is complete.
Yes — effective in marine (saltwater) aquaculture environments at standard dosing rates. Marine environments may require dosing every 2–3 weeks due to higher baseline organic loads.
Yes — after heavy rainfall (20%+ volume addition), apply a half-dose to restore Bacillus concentration. Seasonal dosing adjustment is recommended.
Monitor ammonia, nitrite, DO (dissolved oxygen), turbidity, and pH weekly. BOD reduction and reduced ammonia are the primary indicators of Sanitify performance.
Sanitify Water Treatment Drops and the 5L Water Cleaner are in the online shop. Large aquaculture accounts can access volume pricing and custom delivery schedules — contact our commercial team.

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