- Joined
- Nov 27, 2016
- Messages
- 2,894
- Reaction score
- 4,199
- Location
- Atlanta
- What state or country do you live in
- Georgia
I can't distinguish colors on Salifert test and as was mentioned the scale is not that useful. So, I switched to the Nyos phosphate test and find it much easier to use and the range is appropriate.


