Anytime. If you build an enclosure, it's better to have one entrance and a few exits on the opposite side so the fan blows air over the compressor. If the compressor is not in an enclosure, you don't really need a fan. You can help with some of the noise by putting it on rubber feet or on a piece of horse stall mat.


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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).