G growpimp Member Nov 3, 2011 #1 hey i just was wondering if 7.0 is a high ph for rockwool i just put my seedlings in the bigger cubes with some nutes, so if this is high how do i get it to be what its suppose to be thanks.
hey i just was wondering if 7.0 is a high ph for rockwool i just put my seedlings in the bigger cubes with some nutes, so if this is high how do i get it to be what its suppose to be thanks.
machnak Well-Known Member Nov 3, 2011 #2 I use mine closer to 5.8 - 6.2 for seedlings, IMO. pH down, it's orange,