Tropic Marin NP-Standard
Tropic Marin NP Standard consists of a solution with nitrate and phosphate, in known concentrations, prepared in the test laboratory. It allows you to quickly check the precision of test kits for nitrate and phosphate.
Tropic Marin NP Standard consists of a solution with nitrate and phosphate, in known concentrations, prepared in the test laboratory. It allows you to quickly check the precision of test kits for nitrate and phosphate.