- Joined
- Feb 21, 2016
- Messages
- 196
- Reaction score
- 76
- Location
- Ohio
- What state or country do you live in
- Ohio
I have a RKL on a 75 gallon setup that has been up and running for 9 weeks. Everything has been fine except tonight all of a sudden my PH isn't reading now and says error. Anyone know what is wrong?