Something has to be wrong...overfeeding comes to mind or use of tap water as opposed to RO/DI water. Start doing water changes...on a 12 gallon I would do a gallon to a gallon and a half everyday...feed less. Until the problem clears up. What test kit are you using? How old?
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.