921
21 gallon tank, i have 5 mollies in total, 8 neon tetras and about 15 small molly fry, my reading taken a few hours ago r PH LOW 7.2 PH HIGH 7.8 ammonia 1.0 nitrite 0 nitrate about 80 i only have the one tank but do have a small birthing perspex box, maybe some of this info can help just...