Ultra Zero

…for Nitrite ULR bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the Hanna Nitrite Checker, press the button and read the…

…be more a more accurate alternative to chemical test kits. First, add sample to the included cuvette. Next, insert the sample into the Checker and zero the instrument with your water sample. Then, remove the sample and add the reagent. Finally, place the vial into back into the Hanna Checker, press…

…Acid method Replacement Reagents - HI736-25 Phosphorus ULR Replacement Reagents Which is better to test for, Phosphate or Phosphorus? Want to find out - Click Here Hanna Checker Phosphorus Ultra Low Range Manufacturer's Manual Hanna Checker Phosphorus Ultra Low Range Manufacturer's Literature