Originally Posted by
MPLS MAN
I hate to break your bubble.
but if i were you i'd replace the crushed coral with live sand,CC has been known for a big nitrate factor, you can replace that very easy with (Caribean Live Sand) this type of sand has bacteria already it. you'll be much better off with it.
There are many people that use crushed coral with no nitrate problems . Proper cleaning is they key with c.c .