bleedingthought":xtrqdbye said:If it's not completely submersed, I would just take the bio balls out and not add rock. Make sure you have a good amount of LR in your display and you're good to go either way. JMO.
WRASSER":3kv9mdfj said:not with a Denitrator running the tank. I do a 10 gal. water change a day, every day :wink: