I'M SO FRUSTRATED!!! I keep finding information going both ways for and against pool filter sand (scilica sand)! Here is a quote I just found on the simply disucus forum: "Not to start an argument but I just want to give everyone some information on Pool Filter Sand as I've worked in the pool industry for the last 15 years.
I would figure you would want to stay away from pool filter sand as a substrate. Pool filter sand is very, very hard and has very, very sharp edges. This stuff is able to wear a hole through a 1/2" of ABS plastic in no time. I cannot imagine it would be good for the glass or for the fish for that matter. Wouldn't pool filter sand be too abrasive for Discus and your bottom feeders (if you have any)? The Discus I've had in the past used to love gliding across the bottom of the tank.
I only say this as I've worked in a Pool Store for going on 15 years. Pool filter sand is specifically used because of the hard, sharp edges on each granual of sand...it catches the dirt much better than sand with rounded edges. And because of the harness, the edges will never round or dull in a fish tank. I would think a rounded masionary sand would be a much better choice and safer for the fish."
It looks like I'm going to have to break down and buy caribsea that is known to be and advertised as ray safe. It's just more moolah, and I can't find the kind I want. BAH!
I would figure you would want to stay away from pool filter sand as a substrate. Pool filter sand is very, very hard and has very, very sharp edges. This stuff is able to wear a hole through a 1/2" of ABS plastic in no time. I cannot imagine it would be good for the glass or for the fish for that matter. Wouldn't pool filter sand be too abrasive for Discus and your bottom feeders (if you have any)? The Discus I've had in the past used to love gliding across the bottom of the tank.
I only say this as I've worked in a Pool Store for going on 15 years. Pool filter sand is specifically used because of the hard, sharp edges on each granual of sand...it catches the dirt much better than sand with rounded edges. And because of the harness, the edges will never round or dull in a fish tank. I would think a rounded masionary sand would be a much better choice and safer for the fish."
It looks like I'm going to have to break down and buy caribsea that is known to be and advertised as ray safe. It's just more moolah, and I can't find the kind I want. BAH!