My ammonia level is zero and my nitrites are starting to come down. I am following earlier advice to wait until they are consistently at 0 before I add anymore fish (I have 3 in there right now)...my question is, barring finding some gravel or a filter from an already established tank, is there anything that I can add to my tank to speed the bacteria along? I really want to add a few more fish, but I want to do this the right way and not harm any of them. I have no clue where to get any established substrate or filter...
Any ideas?
Any ideas?