Compact Aeration System - Two Diffusers - Ponds up to 2000 gallons Aquathol / Hydrothol but in general we recommend

but in general we recommend the 250 watt unit for ponds under 400 gallons

enzymes and beneficial bacteria designed to keep your pond water clean and clear

2" lip standard or 6" lip available for easy installation behind brick wall

Please note that this product is most effective if oxygen levels are adequate throughout the pond

Compact Aeration System - Two Diffusers - Ponds up to 2000 gallons Aquathol / Hydrothol but in general we recommendEnsure adequate oxygen levels and circulation during hot summer months and de icing capability during freezing months with the CAS Pond Aeration Systems. 3 different kits are available with 1 to 4 diffusers for ponds up to 3,500 gallons. These systems feature quiet, energy efficient diaphragm compressors that can be operated outside, but they must be protected and housed from the elements. Limited 2 year warranty. Replacement diaphragm kits are