Pond Filter
OASE BioSmart 10000
Model: BioSmart 10000
The OASE BioSmart 10000 is a flow-through / gravity multi-stage biomechanical pond filter supplied with stepped inlet fittings and 9 filter foams. Manufacturer capacity ratings: suitable for ponds up to 10,000 gal (36.0 m³), fish ponds up to 5,000 gal (18.0 m³) and koi/heavy-stock ponds up to 2,500 gal (9.0 m³).

About OASE BioSmart 10000
The OASE BioSmart 10000 (SKU 56930) is a gravity/flow-through multi-stage biomechanical filter intended for garden ponds. It uses a stack of filter foams arranged in separate mechanical and biological zones (the manufacturer lists nine foams: 4 blue, 4 red, 1 green) to trap solids and support nitrifying/denitrifying bacteria. The unit is supplied with a set of stepped inlet fittings and an outlet adapter so it can connect to a range of hose and pipe sizes, and it has a dedicated sludge discharge connection to make flushing solids easier. OASE publishes suitability guidance for pond sizes on the product page: general ponds up to 10,000 gal (36.0 m³), ornamental/fish ponds up to 5,000 gal (18.0 m³) and koi/heavily stocked ponds up to 2,500 gal (9.0 m³). These capacity statements are manufacturer-provided guidance and reflect recommended maximum pond volumes for different stocking levels. The product is a passive filter (no electrical components listed for this model) and OASE does not publish a maximum pump head for the unit. Notable physical details published by OASE include the unit dimensions (382 × 555 × 408 mm), net weight (10.5 kg), sludge connection size (50 mm / DN50) and outlet connections (2½" / 3" with supplied adapters and stepped fittings of 0.75", 1.25" and 1.5"). The housing can be buried to one-third of its height. The product also includes indicators for pollutant/soiling level and temperature to help time maintenance. The official product page lists compatible external UVC clarifiers but the BioSmart 10000 does not include an integrated UVC lamp.
Best for
General pond filtration for ponds up to 10,000 gal (36.0 m³); ornamental/fish ponds up to 5,000 gal (18.0 m³); koi/heavily stocked ponds up to 2,500 gal (9.0 m³).
Things to consider
OASE's official product content contains conflicting maximum flow-rate figures for this SKU: the page lists "Max. flow rate: 13,627 l/h" and elsewhere shows "Max. gallons per hour: 2,110 gal/h" (2,110 gal/h converts to ≈ 7,994 l/h). These two manufacturer-published values do not match; the conflict is unresolved in the available official documentation, so maxFlowLph is left null here. OASE does not publish a maximum head, electrical power rating, integrated UVC wattage, cable length or IP protection rating for this model on the official product page.
Installation
OASE states the filter housing may be buried to one-third of its height. The unit includes stepped inlet fittings (0.75", 1.25", 1.5") and a 3" Sch40 outlet adapter; it also provides a 50 mm sludge discharge connection. Follow the product manual (available via OASE downloads) for correct orientation, connection and any site-preparation guidance. Verify you are working with SKU 56930, as some family-page text mixes details from other BioSmart models.
Maintenance
The unit includes a pollutant/soiling indicator and temperature indicator to help time service. OASE provides an instruction manual via its downloads page for disassembly and cleaning procedures. The manufacturer does not publish specific maintenance intervals on the product page; use the indicator and local pond conditions to decide cleaning frequency.
Safety
The BioSmart 10000 does not contain an integrated UVC lamp; OASE lists compatibility with separate UVC clarifiers. If you install a separate UVC unit, follow that UVC device's safety instructions. No IP rating or electrical specifications are provided for the filter on the official product page.