Hanna High Range Nitrate Checker Review

The Hanna Marine Nitrate High range Checker is a new nutrient measuring tool to test nitrate levels in our reef and saltwater fish tanks. It was just last year that Hanna treated us to the low range Nitrate Checker which…

Hanna Nitrate Checker Review; Extra Effort for a Lot More Accuracy

The Hanna Nitrate Checker is a brand new water testing kit which takes a very different approach to measuring nitrate compared to what is currently available in the aquarium hobby. This low range colorimeter is specially designed to measure NO3…

Hanna Nitrate Checker Coming Soon for the Low Range

The Hanna Nitrate Checker is a long awaited addition to Hanna Instruments’ catalog of trusted digital water testers. The Hanna Phosphate Checker has been the gold standard in accurate, low range measurement of this important nutrient and algae fuel so…