- Joined
- Feb 20, 2015
- Messages
- 595
- Reaction score
- 302
I ordered a Nitrate test refill. My old test was bought 2 1/2 years ago. The A solution is the same as the old. The B powder is greyish not the same as the old. The C powder is the same.
When I mix to test I keep getting these grey clumps. Is this normal for now?
When I mix to test I keep getting these grey clumps. Is this normal for now?


