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Oase 56929 BioSmart 5000 Gravity Filter

Oase 56929 BioSmart 5000 Gravity Filter | Filters/Skimmers

Oase 56929 BioSmart 5000 Gravity Filter

Price: $239.99

Brand: Oase

SKU: OAS56929


The BioSmart 5000 is a multi-stage mechanical and biological filtration system in a compact package, designed for medium ponds or for ponds with moderate biological load (some fish).

During biological filtration, the water is channeled through a series of filter foams that create a special environment by allowing the settling of beneficial bacteria. During this stage, harmful ammonia and nitrites are converted to nitrates, which support plant life in the pond. 

BioSmart 5000 features a built-in cleaning mechanism that does not require removal of the filter foams during maintenance.

  • Innovative Flow-Through filter design with biological and mechanical filtration provides maximum oxygenation
  • BioSmart 5000 is suitable for ponds up to 5,000 gallons (with no fish)
  • High-surface area filter foams provide exceptional biological filtration capability
  • Distinct filter zones promote the settlement of a variety of beneficial bacterial responsible for different phases of the nitrogen cycle, which increases the conversion of harmful ammonia in your pond
  • Advance features include the built-in cleaning indicator notifies you when the filter needs cleaned and water temperature display tells you the water temperature at all times
  • Cleaning handles for convenient maintenance allow for easy cleaning without needing to remove or manually unclog the filter foams
  • After clearing the filter foams, the sludge drain can be opened for easy removal of coarse debris from the unit
  • For best results and clear water guaranteed, use with an appropriately sized OASE pump and UV clarifier
  • When properly sized, paired, and registered online, this product qualifies for the Clear Water Guarantee - Learn more at
  • 3 year warranty


  • Effective Pond Size: up to 5000 gal. (without fish)
  • Recommended Pump Capacity: 1600 GPH (min) to 2700 GPH (max)
  • Intake Connection: 1 1/2 in. threaded female (2 x)
  • Tubing Connector (intake): 3/4 in., 1 in., 1 1/4 in., 1 1/2 in.
  • Outlet Connection: 2 1/2 in. (via Adapter Ring)
  • Sludge Drain Connection: 2 in.
  • Filter Foams: 4 (1x Red, 2x Blue, 1x Green)
  • Dimensions (L x W x H): 22 x 22 x 16 in.
  • Limited Warranty: 3 Years

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