Calcium Reagent HI758 jawfish By keeping the light and

By keeping the light and its wireless capabilities separate

They're non-aggressive and can coexist with multiple shrimp of the same species

Designed for easy dosing

Don't let this deter you from considering them though

and carbonate hardness elements

Calcium Reagent HI758 jawfish By keeping the light andThe HI758U Checker HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure calcium. Required for the development of calcium carbonate skeletons of coral reefs, calcium is a crucial component of marine waters. Designed as a more accurate alternative to chemical test kits, the HI758U provides quick, accurate results in a few easy steps.