Quote Originally Posted by SecondNut
the natural PH of rockwool is too high (around 7.5 or something), so you may want to lower the PH of your water some more.
I think you said that you soaked this rockwool, so that should not be an issue. If this is not the case, it needs to be taken care of somehow.
Opie Yutts Reviewed by Opie Yutts on . h202 & seedlings Would it be alright to add a little h202 to the water i've been feeding my seedlings? some are fresh out of germination, the older ones appear like they are already rotting from the rockwool... Rating: 5