Lee's Algae Scrubber White Glass Pad W-Handle Dog Beds As long as nitrate concentrations

As long as nitrate concentrations remain under control

Cat Tails litter is made of 100 percent natural clay and contains no chemicals

The system can be used as the sole source of bio-mechanical filtration in ponds up to 500 gallons with light fish population or in conjunction with an additonal external biological filter system in ponds with koi or heavier fish population

colors and aroma

with chrome wire door and side vents

Lee's Algae Scrubber White Glass Pad W-Handle Dog Beds As long as nitrate concentrationsLong lasting super algae scrubbers allow aquarium cleaning without wet hands. The heavy duty handle is easy to grasp and designed with the optimum angle to eliminate pressure on wrists and hands. Designed for glass. Comes with blue pad. Royal Item Number: ALE12080