I have 4 Hanna Checkers for Sale. They have been used once. It's too much of a hassle for me. I am selling them $35 a piece OBO. The checkers I have is Phosphate HR, Chromium, Nitrite, and Nitrite ULR. I also have a Hanna Conductivity Tester brand new! $50obo"¦. PM if interested...
Thanks :dance:
Thanks :dance:
