Nice ....Rock wool with a drip.. I used to run that system. Good to see you working with that! Are they still vegging?
loving your setup. i myself am going to buy some more of the same flood and drain tables, as i love them. but will not be using drippers as you are. i take it your using drippers as you run to waste?
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What are your plans to do with em come harvest time? I suppose you gotta go dumpster chuckin? .