OASE BioSmart 18000 Gravity Filter

The OASE BioSmart Gravity Filters are 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). BioSmart Filters are packed with features and filtration capacity. The high-surface area filter foams provide exceptional biological filtration capability in relation to its size. With features like built-in cleaning mechanism and water temperature gauge make the OASE BioSmart Filters an excellent choice for smaller ponds with a low fish load.

BioSmart filters feature distinct zones that promote the settlement of the beneficial bacteria responsible for different phases of the nitrogen cycle, increasing the conversion of harmful ammonia in the pond. No need to remove or manually unclog the filter foams of the BioSmart filter. Simply shut off your pump, pull up on the built-in cleaning handles and drain the loosened debris through the built in drain. Quick to do and this retains the beneficial bacteria that keep your pond healthy The cleaning indicator, along with the temperature gauge and sludge drain are just some of the features that make theOASE BioSmart the most user-friendly and easy to maintain entry-level pond filter ever designed. 3-year guarantee.