- Joined
- Jul 19, 2017
- Messages
- 461
- Reaction score
- 93
- What state or country do you live in
- New York
my tank is a180 pho is 250 and nirates.50 sal 1.025 alk 12.2, cal 500 mag 1129 I keep getting this brown stuff on sand and rock have done a 80 gal water 2 wks ago

