aquarium rock

Selling let over rock from a tank tear down. 3 large peace’s of rock totaling 140 lbs. $2.75 per pound

I was going to use a Fiberglass Rod from Home Depot . By the mailbox area called "Drive way Marker" Someone told me the resin in it would leech the water so I looked around and some say yes and some say no. I went ahead and contacted the MFG of that item and they said they use a Resign in...