The Planted Tank Forum - View Single Post - Surface skimmer and filter for plants
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post #12 of (permalink) Old 12-08-2012, 10:17 PM
Wannabe Guru
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Join Date: Jan 2011
Location: Syracuse, NY
Posts: 1,480
I wound up putting 2 air stones on opposite sides of my tank in the back corners on a $10 walmart air pump and timer. Turn on for 30 minutes in the middle of the day when lights are off and no more scum. Works like a charm! No CO2 impact.
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