lurch New member Apr 2, 2009 #1 I'm setting up a new sump with a descent size refuge in it. I was wondering if I should make the sand bed in it deep or shallow. What do you guys think? 1 inch or 4 or 5 inches of sand?
I'm setting up a new sump with a descent size refuge in it. I was wondering if I should make the sand bed in it deep or shallow. What do you guys think? 1 inch or 4 or 5 inches of sand?
goldmaniac New member Apr 2, 2009 #2 4-5 inches you'll be very happy when, in a couple months, you can poke your finger in the sand and [inert] nitrogen gas bubbles escape and rise to the surface. IMO $.02
4-5 inches you'll be very happy when, in a couple months, you can poke your finger in the sand and [inert] nitrogen gas bubbles escape and rise to the surface. IMO $.02