One other thing.... make sure you have a good air gap ( maybe 3-4 inches) between the bottom of your net pot and your water, you don't want to to make a "stew" out of your water and get pythium, that would suck. I am a disciple of the grower "freddd". Check out his grows when you got a chance. I use a shallow water dwc with a top fed recirculating rez. Much easier to maintain and no airstones needed. How are you keepin your water from gettin to warm? are you using tap water?
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