machine646
Active member
I have a 20 g long,its four months old,my water quality has went to dirt my ammonia is at 1ppm nitrites .50ppm and nitrates 40ppm ,I use ro water period,do weekly 5 g wc,I'm stumped on the water being bad ,my fish hermits snails and coral seem fine,I've been trying to figure out why thing are testing bad,any ideas I'm lost ,have been doing research for over a month,I'm stumped,