- Joined
- Jan 9, 2019
- Messages
- 1,683
- Reaction score
- 1,216
- Location
- New Hampshire
- What state or country do you live in
- New Hampshire
I know what the flashing 5 meant, that's why I did the dilution way.his asking when it was flashing more than 5ppm , hanna checker is made for lr more then 5 it cannot read it that means it's more than 50





