Bilanda Side-Mount Fiberglass Sand Filter for Aquaculture RAS Systems

2026-07-22

Aquaculture Filtration Solution | Bilanda Side-Mount Fiberglass Sand Filters

20260625111217(1).jpgIn aquaculture, water quality directly determines yield and profit. Poor filtration leads to built-up fish waste, uneaten feed, algae blooms, and ammonia spikes – reducing growth rates, causing disease, and even leading to total stock loss. Standard pool filters cannot withstand saltwater corrosion or handle the high solid load of aquaculture systems. Bilanda side-mount fiberglass sand filters are purpose-built for commercial aquaculture, designed for reliable 24/7 operation to stabilize water quality, improve survival rates, and reduce labor costs.


Key Aquaculture-Grade Benefits

  • Corrosion Resistant for Fresh & SaltwaterBuilt with multi-layer fiberglass winding and an anti-corrosion gel coat outer layer, the tanks resist saltwater erosion, aquaculture chemical damage, and UV exposure for years of leak-free, bulge-free operation in both fresh and saltwater applications.

  • High Flow, Parallel Ready for Large Scale FarmsThe side-mount valve design reduces total unit height, making it suitable for low-ceiling equipment rooms. Large-diameter flanged connections support multi-unit parallel installation, delivering enough flow for 10,000+ cubic meter water systems, perfect for both new farm builds and retrofits.

  • High Dirt Capacity, Improves Stock SurvivalThe oversized filter chamber effectively captures fish waste, uneaten feed, algae, and organic debris. Dual-layer water distribution ensures even flow through the media bed, preventing channeling and anaerobic dead spots to maintain stable turbidity and dissolved oxygen levels, reducing disease risk and improving hatchery and grow-out survival rates.

  • Low Labor, Easy MaintenanceValves are positioned at a convenient working height with no climbing required. A large top manway and full-opening bottom drain make media changes and tank cleaning fast and simple. Units can be upgraded to fully automatic backwashing systems for unmanned farm operation.4d1146c32e5e65f0331af5537db9c9e8.jpg


Size Guide (Match to Your Farm Scale)

  • Medium Scale Operations (400–800m³ / 105,000–210,000 gal): Indoor RAS hatcheries, fish/shrimp temporary holding systems, large ornamental fish facilities. Φ1600/Φ1800 models deliver 70–110m³/h flow, meeting 4-hour full tank turnover standards for indoor temperature-controlled culture.

  • Large Scale Operations (800–2000m³ / 210,000–530,000 gal): High-density grow-out farms, outdoor pond clusters, public aquarium life support systems. Φ2000/Φ2500 industrial-grade models deliver 120–170m³/h flow, with high media capacity and pressure rating for multi-unit parallel setups serving 10,000+ cubic meter systems.0126824300182c4312db7358922e8212.jpg


Aquaculture Maintenance Best Practices

  • Load filter with graded layers of coarse and fine silica sand; add activated carbon for saltwater systems to adsorb ammonia and odors. Replace media annually for commercial farms.

  • Backwash every 1–2 days due to high solid loads, with additional backwashes after feeding periods or algae blooms. Perform monthly chemical soaks to prevent organic buildup and anaerobic bacteria growth.

  • UV-resistant coating allows outdoor installation; keep equipment rooms well-ventilated to reduce corrosion and extend part service life.


These heavy-duty filters are ideal for aquaculture hatcheries, high-density shrimp/fish grow-out farms, outdoor pond clusters, public aquariums, and live seafood holding facilities. With high pressure rating, saltwater resistance, high flow capacity, parallel scalability, and low maintenance requirements, they are the reliable workhorse filter for medium and large scale aquaculture operations, helping farmers stabilize water quality, boost yields, and reduce operational risk.