I have a
fowlr tank, with a few shrimp,snails,crabs. my
nitrate level is between 40,60,80
its a 75g tank with a wet dry filter(all glass 3).
I want to get the bioballs out and turn it into a
sump,but not sure how.
what do I put in there. do I use mud,or a
dsb. what plants
