I have a lot of empty shells in the rocks of my tank. My question is do the empty shells cause any harm to my tank water?
I pick them out every now and then but no way to get them all out in one picking
. They are to heavy when I gravel vac it don't suck them up
I pick them out every now and then but no way to get them all out in one picking
. They are to heavy when I gravel vac it don't suck them up