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It's my first time using rockwool, I got grodan 1 inch cubes.
I know I have to soak for 24 hours and stabilize it at 5.5ph. I use GH nutes, my question is how much should I add per gallon for the initial soak?
I know I have to soak for 24 hours and stabilize it at 5.5ph. I use GH nutes, my question is how much should I add per gallon for the initial soak?
from Hydroponics / Aeroponics
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