- Joined
- May 19, 2016
- Messages
- 2,434
- Reaction score
- 2,540
It's just RO it was measuring 0-1 so I figured it was fine and kinda forgot about it. But now a year later I've neglected to change the filters or anything so now I have this situation. Lol. And I borrowed a handheld one that is regularly calibrated.