Mammath
Well-Known Member
I think the powder is better to.
The great Al B recommends them over the gel.
https://www.rollitup.org/hydroponics-aeroponics/15030-batch-clones-rockwool.html
The great Al B recommends them over the gel.
https://www.rollitup.org/hydroponics-aeroponics/15030-batch-clones-rockwool.html