Quote Originally Posted by wonderjoint
I thought Hydroton was inert?
Far from it my friend.
Always pre-treat with low PH before use.
Best to wash it well first.
There's an amazing amount of pump-clogging red dust after it rattles around in shipping.
Then soak for a day in PH 5.0 water.
Then test that water to see if you need to do it again.

After that, the only hassle is spilling the li'l buggers.
They get everywhere and are no fun with bare feet.

Regards,
Weezard
Weezard Reviewed by Weezard 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