T toddnbecka AC Members Dec 17, 2004 2,808 3 38 Cumberland, MD 21502 Jun 11, 2009 #11 I forgot to mention it's also useful for hob or canister filters. Since it's pretty dense material I wouldn't recommend placing it on the bottom of the media stack, but it is good for trapping fine particles to make the water crystal clear.
I forgot to mention it's also useful for hob or canister filters. Since it's pretty dense material I wouldn't recommend placing it on the bottom of the media stack, but it is good for trapping fine particles to make the water crystal clear.