I like to see a minimum of 1 cfm per each membrane diffuser in a pond at the water depth that it will be installed at. Remember .5 psi back pressure for every 1' water depth.

Last edited by esshup; 02/03/19 02:38 PM.
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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).