OASE: BioSmart Pond Filter | External Filter for Ponds 5000g - 10000g | Mechanical & Biological Filtration for Koi Ponds thermostat controller it prevents ice formation by

it prevents ice formation by bringing warmer water up from the bottom of your lake or pond and circulating it in a continuous movement

and the floating feature ensures minimal upkeep for ongoing smooth operation

Diameter of Area Kept Ice-Free

allowing one product to work in spring

The DA-20 Display Aerator is the powerhouse of the Scott Aerator product line

OASE: BioSmart Pond Filter | External Filter for Ponds 5000g - 10000g | Mechanical & Biological Filtration for Koi Ponds thermostat controller it prevents ice formation byAtlantic Watergardens and OASE present the BioSmart external filter. These units are for ponds up to 5,000g and 10,000g respectively, and are an excellent upgrade from problematic pressure filters. Flow through bio mechanical filters clean and clear pond water which returns to the pond by gravity BioSmart is an excellent alternative to unreliable pressure filters OASE BioSmart filters use multiple filter zones to slow water, remove debris and provide