… The HI781 Checker is a simple, accurate, and cost-effective way to measure nitrate in your saltwater aquarium. Nitrate is a by-product of the Nitrogen cycle. Excessive amounts of nitrates in a reef aquarium can promote the growth of undesirable organisms including algae and…
…81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5") * Weight: 64 g (2.25 oz.) * Method: Adaptation of EPA Diazotization method 354.1 Replacement Reagents - HI764-25 Nitrate ULR Replacement Reagents HI764 Nitrite Ultra Low Range Colorimeter Manufacturer's Manual
Alkalinity reagent refills for the easy to use, handheld Hanna Checker HI764 Nitrate Ultra Low Range. Individual reagent packets for 25 tests. Reagent refill for Hanna Checker Nitrite ULR HI764. * Enough reagent for 25 tests.