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How long should you run the pump?
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01-31-2009, 07:36 AM
Ron
Senior Member
Join Date: Jan 2009
Posts: 1,285
Hello Kev
You only need to let the water rise to the desired height and then drain immediately back to the tank. Do this about every 20 minutes or so when the
lights
are on. For seedlings 18 to 24 hours of light for vegetative stage.
Ron
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