Rockwool cubes

i dont think that you could really put the rockwool cube in soil i think when you water the plant then the rockwool will get too wet and you will get root rot at the base of your stem and roots.. but thats just my opinion im not positive
 
You can do this, Ive done this with a previous grow which I flowered the clones. Just pack the Cube in the soil very nice and tight, then water the soil and the rockwool excessivly till it drains.

leave the rockwool visible on the surface and whenver its dry, water your plant.
 
Idid it with other plants but not cannabis. What size rockwool cube are you talking about?
 
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