railroad rock?

Livin by the tracks just thought abought using the red lava lookin rocks for drainage/perilite replacement? Thoughts?

Use Perlite

Not til u tell me why not to use it lol

don't use it. it's likely got creosote. creosote is no good.

Bugs bro....That should be enough for yea! And what Unclebuck says, plus oils, chems and god only knows what else. Theres and old saying that goes something like this....Go cheap, grow cheap. Something to think about. Go the extra mile and youll be smilling