Water Testing Tools
Nitrate Photometer HI 93728
Hanna HI 93728 Nitrate Photometer
Nitrates are present in nature as a result of decomposition of organic microorganisms or due to their use as fertilizers. Nitrates reduce to nitrites, which in turn easily combine to form substances dangerous to man.
A maximum level of 45 mg/L is established as a worldwide guideline for nitrate concentration...
HANNA Reagent must be used to complete Nitrate test.
HI 93728-01 Reagent Nitrate, Cadmium Reduction Method (100 Tests)
Your Price: $54.00
HI 93728-03 Reagent Nitrate, Cadmium Reduction Method (300 Tests)
Your Price: $161.00
Nitrates are a natural by-product of the bacterial "reduction" or removal of Ammonia and Nitrite in the natural pond's ecosystem. Nitrates are an under-estimated fish killer. When fish are sick, and the history contains some information to suggest the pond has been set up for a while, you can bet Nitrate levels are part of the...