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    Rockwool Wet or Dry in DWC hydro set-up????

    I am running a DWC set up with NO top feed, my stuff is in 1 in rockwool cubes surrounded by hydroton my questions is... The rockwool is very dry (due to the 250 Watt CFL) and is hard to keep wet. I want to know if im supposed to leave it dry or feed it water by hand (since i do not have a...
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