Pond Boss Forums AERATION Systems questions CFM question

Bobby, it all depends on how efficient your diffusers are, and the shape of the pond, in addition to the depth.

Basically you need to bring the total pond volume of water up to the surface at least once every 24 hr.

Pond depth, diffuser lifting rates, cfm of the pump at depth of the diffuser(s) all figures into the equation. There is no simple answer, and without knowing those figures, it's impossible to calculate.

Diffuser lifting rates at different depths