dannyb
Aquarium Advice Freak
Mine has been @ 20pprm for a while now, It sits between 15-20pprm, But fish seem to be fine, Corals seem to be healthy as can be.
So i dont know, I'd say between 0-20pprm is fine. Any higher and i'd be concerend and start doing freq water changes.
So i dont know, I'd say between 0-20pprm is fine. Any higher and i'd be concerend and start doing freq water changes.