should rockwool be kept moist?

Discussion in 'First Time Marijuana Growers' started by Mr.NiceGuy, Apr 21, 2009.

  1. I have a really quick question about the rockwool i am using in my bubble bucket set up. Currently have 130watts on a 11 day old plant from seed.

    The rockwool dries out every once in a while my question is am i suppose to keep the rockwool somewhat moist throughout my grow?

    Also my two bottom leaves are starting to turn yellow, and my other leaves are getting brown spots on them what is this from?

    I havent used nutes except superthrive
    lights on 20/4
    temps are kinda hot in the low 80's upper 70's
    humidity is between 25-35%
    PH is around 5 dont know exactly cause i just have a color ph kit

    Another questions can you over water a hydro system?

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