Okay, I might have missed this...
Did you mention if you tested your tap water for nitrates? That could be why they're not going down when you do water changes...
If you have already said whether or not you did this, then never mind...
Did you mention if you tested your tap water for nitrates? That could be why they're not going down when you do water changes...
If you have already said whether or not you did this, then never mind...