- Joined
- Jun 15, 2020
- Messages
- 401
- Reaction score
- 624
I bought the Aquaforest Mag test kit recently and have had good results. It comes with an icp test solution so you can check your methods and the test was within 10 ppm of the solution. I think I will try their Cal test when I am ready to purchase again. It also comes with a test solution.