just aerating the filters is not the same. everything in the pond needs oxygen too
AND aeration moves unwanted gases out of the pond. Ingrid


Andrew Burgess wrote:
I don't see your logic here. The biobugs consume a fixed amount of oxygen
regardless of where aeration occurs (as do the fish). Aerating the water in the
filter aerates the pond. Its the way to go if you don't want the noise or
appearence of aeration in the pond itself.



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