Feb 24, 2011 #1 T Tomchong22 Aquarium Advice FINatic Joined Feb 8, 2011 Messages 640 Just a quick question. Is it a good idea to use crushed coral and crushed oyster shells in part of a sump as buffers? I was pondering this.
Just a quick question. Is it a good idea to use crushed coral and crushed oyster shells in part of a sump as buffers? I was pondering this.