I am cloning in rockwool and for some reason I have roots growing out the bottom and the top of the rockwool. Any Idea Way?
Heres the setup
five gallon bucket
lid with 9 holes to hold 2" black cups
2 airstones
100w cfl 3-4" away
ph 6.3
ppm 700
ppm of water from the tap is 400 with...