I have some Monopotassium Phosphate powder (K2HPO4).
I mixed a few t-spoons into 150ml RODI water. Its very soluble.
When I tested the solution with my salifert PO4 test kit the reading was zero?
Why wouldn't I get a reading for phosphate?
I mixed a few t-spoons into 150ml RODI water. Its very soluble.
When I tested the solution with my salifert PO4 test kit the reading was zero?
Why wouldn't I get a reading for phosphate?