Quote Originally Posted by Iceberg420
Well I looked around for rapid rooters and rockwool but all the stores say they only stock them in spring so i felt like a dumbass pothead and left lol
So its either packing peanuts or marbles...
I used ph down and got it to 5.7

Lava rocks work well too get them at lowes or home depot. Tell them you need em for the grill.
They are very porous.
But then you will get algae.