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Project archetype · Biofloc systems

Biofloc Fish & Shrimp Farm — System Design, CAPEX & Procurement

Buyer-side reference architecture for commercial biofloc (BFT) production of tilapia, catfish and vannamei shrimp. Covers tank and lined-pond configurations, aeration and mixing energy, carbon dosing, solids control, monitoring and the equipment packages that go into an RFQ. Supplier-neutral: FishMatch Group does not build, operate or engineer farms.

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Project assumptions

Species
Tilapia, catfish / pangasius, vannamei shrimp
Unit type
Circular tanks (10–500 m³) or HDPE-lined ponds under cover
Stocking density
Fish 30–80 kg/m³; shrimp 150–400 PL/m² (system-dependent)
Aeration load
Continuous 20–35 W per m³ of culture volume
C:N ratio target
12–15:1 maintained with supplemental carbon
Water exchange
Under 10% per day once floc is mature
Power reliability
Backup generator mandatory — floc collapses within hours without mixing
Project band
USD $250K–$5M typical for a first commercial module

FishMatch Group handles serious commercial procurement briefs with an expected project value of at least US$250,000. Figures on this page are concept-stage assumptions, not guarantees; validate biology, design, permits, costs and financing with qualified independent parties.

Project readiness score

Score your project in 60 seconds

Set your current status on seven factors. We calculate a 0–100 readiness score, flag gaps EPCs and lenders will raise, and pre-fill an RFQ your concierge can act on immediately.

40
/ 100
planning

Planning — foundational work still open, but structured RFQs feasible

Strengths
  • Energy plan: Grid connection secured
  • CAPEX clarity: USD 2M–10M — mid commercial
Do next
  • Sign a site option or lease for at least 20 years
  • Commission water lab tests (salinity, TAN, iron, TDS) and file abstraction permit
  • Engage local permitting consultant and file EIA scoping
  • Secure at least one signed LOI from a processor or importer
Send score with RFQ Financing pre-qualifier

Indicative execution readiness. Not a credit decision or engineering warranty.

System stack

Culture units

  • • Circular tanks (GRP, galvanized + liner or concrete) with central drain
  • • HDPE-lined ponds with covered or greenhouse structure
  • • Sloped bottoms and dual drains for solids removal
  • • Freeboard and overflow sized for storm events

Aeration & mixing

  • • Regenerative blowers with diffuser grids for continuous mixing
  • • Airlifts or paddlewheels in lined-pond configurations
  • • Redundant blowers plus automatic changeover
  • • Emergency oxygen or standby aeration on generator feed

Solids & floc control

  • • Settling cones or radial-flow separators for excess floc
  • • Floc-volume monitoring (Imhoff cone) routine
  • • Sludge handling / discharge compliance
  • • Optional mechanical filtration for polishing

Carbon & nutrient dosing

  • • Molasses, sugar or starch dosing skid with metering pump
  • • Alkalinity dosing (sodium bicarbonate) for pH stability
  • • Feed and carbon logs tied to C:N calculation
  • • Storage for carbon source under cover

Monitoring & control

  • • Continuous DO, temperature and pH probes with alarms
  • • TAN / nitrite / alkalinity bench test kit routine
  • • SMS or app alarms for blower and power failure
  • • Data logging for bankability and audits

Power & backup

  • • Standby generator sized for full aeration load
  • • Automatic transfer switch protecting aeration feeders
  • • Optional solar hybrid to reduce OPEX on daytime load
  • • Surge protection on blower motors

Key terms used on this page

Plain definitions of the terms that decide the equipment list and the comparability of quotations.

Recirculating aquaculture system (RAS)Grow-out systemNurseryStocking densityBiomassFeed conversion ratio (FCR)Oxygen demandBiofilterHatcheryPond aquaculture systemAeration and oxygenationWater treatmentFiltrationBiosecurityCold chainWater qualityPond designFeed formulationBuyer profile builderGrow-out system FAQBuyer's guide: discovery to implementationFind a consultant by country and speciesConsultant directoryGrow-out case studies: shrimp, tilapia, carpConsultant case studies

Project stages

  1. 1. Feasibility & species fit
    Market price, water source, climate, power reliability, operator skill. 3–6 weeks.
  2. 2. System sizing & layout
    Tank count, aeration load, carbon demand, solids balance, class-3 budget. 4–8 weeks.
  3. 3. Neutral RFQ
    Tanks, blowers, dosing, monitoring, generator — project-matched suppliers. 4–8 weeks.
  4. 4. Construction & installation
    Civil works, tanks, air grid, electrics, controls. 3–6 months.
  5. 5. Floc development & trial cycle
    Water conditioning, floc maturation, one full trial cycle before scale-up. 3–5 months.

Main CAPEX drivers

Indicative share of total installed cost. Actual split varies by region, redundancy, automation and civil scope.

Tanks / lined ponds and covering structure25–35%
Aeration (blowers, diffusers, piping)15–22%
Civil works, site prep and drainage12–18%
Power supply, generator and electrics10–16%
Monitoring, dosing and controls5–9%
Engineering, commissioning and training6–10%
Contingency8–12%
Indicative class-4 ranges only. Confirm with a class-3 budget via a neutral RFQ before financing.

Bankability questions

  • Is grid power reliable, and is the generator sized for the full aeration load?
  • Is the operator team trained in floc management, or is training budgeted?
  • Is the carbon source available locally at a stable price?
  • Is the solids / sludge discharge route permitted?
  • Are TAN, nitrite and alkalinity monitoring procedures documented?
  • Is the market price for the target species verified with actual offtake interest?
  • Is CAPEX supported by quotes from at least two independent suppliers?
  • Is a trial cycle budgeted before committing to full build-out?

Key project risks

  • Power interruption collapses the floc and can cause total stock loss — redundancy is not optional.
  • Over-feeding without matching carbon dosing drives ammonia and nitrite spikes.
  • Excess floc accumulation clogs gills — settling capacity must match the feed load.
  • Operator skill is the single largest determinant of biofloc outcomes; under-trained teams underperform regardless of equipment quality.
  • Yield and FCR figures published by equipment vendors are marketing claims, not guarantees.

Common questions

Indicative CAPEX for a commercial biofloc module runs USD $250–$600 per m³ of culture volume for tank-based systems, and lower for lined-pond configurations. A first commercial module typically lands between USD $250K and $2M depending on covering, power and automation level. Confirm with class-3 quotes before financing.

Biofloc CAPEX per kg of annual production is usually lower than RAS because there is no biofilter, no large-scale mechanical filtration and less pumping. Operating risk is higher because water quality is biologically buffered rather than mechanically controlled, and results depend heavily on operator discipline.

Tilapia, catfish / pangasius and vannamei shrimp are the species with the widest commercial track record in biofloc, because they tolerate suspended solids and can use floc as supplementary nutrition. Salmonids and most marine finfish are not suited to biofloc.

Plan for continuous aeration of roughly 20–35 W per m³ of culture volume, running 24/7. Power cost is typically the largest single OPEX line after feed, which is why generator backup and, in some markets, solar hybridisation are part of the base design.

No. FishMatch Group is an independent B2B procurement and sourcing platform for commercial aquaculture projects from USD $250K+. We help buyers define the specification, run a confidential RFQ to project-matched third-party suppliers, compare quotes and explore independent financing options. Equipment, delivery, installation and warranties are provided solely by third-party suppliers.
Bankability brief

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Ready to move forward

Turn this Biofloc Fish & Shrimp Farm archetype into a real RFQ

FishMatch Group prepares a neutral, confidential brief based on the assumptions, system stack and cost drivers on this page — then our team contacts suitable international suppliers or EPC partners on your behalf and presents their responses to you, organised, through FishMatch. There is no direct buyer-to-supplier messaging. Buyers never pay.

1
Share your project brief

Answer a short guided form — species, capacity, site, timeline, budget range. Takes ~3 minutes. Handled confidentially.

2
We run supplier-neutral outreach

Our team screens project-matched providers globally and prepares a comparable, budget-grade RFQ package for each.

3
Compare 1–3 matched offers

You receive shortlisted proposals with technical, commercial and financing terms — ready for board or lender review.

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Short answer

What is the fastest way to get quotes for Biofloc Fish Farm?

Submit one structured request for Biofloc Fish Farm. FishMatch Group translates it into a technical RFQ, runs a confidential sourcing round with project-matched international suppliers, and returns comparable quotations. No fee is charged to the buyer, and your identity and project details stay private until you choose to proceed.

How it works:
One structured request, human-reviewed before any supplier outreach
Typical turnaround:
Depends on scope and site data; no turnaround is guaranteed
Confidentiality:
Supplier names are never exposed during evaluation
Cost to buyers:
No fee charged to the buyer