• 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
• 3 year warranty

When a pond owner uses specifically marked CWG products, they are guaranteed to have clear water and minimal maintenance. We guarantee that when a tape measure is placed vertically into the pond to a depth of 3 feet, the water will be clear enough to read the 1 inch mark at the tip of the tape measure.