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running an RDWC,4x 5 gallon sites, 27 gallon res. Probably 30 gallons or so when full. Wondering what size air pump I need to oxygenate the water in my system? I’ve heard 1 watt per gallon, but watts don’t really have anything to do with how much air It puts out. So does anybody know what size pump in LPM/GPH I’ll need to oxygenate my water? Thanks.
from Hydroponics / Aeroponics
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