Soak it over night in 5.8 to 6.2 PH water. No nutrients untill 2 weeks old for seedlings.. Sling the water out of the rockwool like slining a paint brush. That's how wet you want it.
LOC NAR on probation Reviewed by LOC NAR on probation on . Properly using rockwool... Okay I'm just about ready to start growing in my new hydroponic system (a small 1 or 2 plant system) I hav the rockwool already but the guy at the store said something about soaking it before I start, but I didn't really listen to him. I just wanna make sure I get this right. Should I soak it before using it? how long do i soak it for? can I soak it in the water that I'm gonna use to feed the plants? do i have to let it dry before i stick the seeds in? also does it have to be soaked in a Rating: 5