Calcium Checker HI758 Two Little Fishies or any food you want

or any food you want to dose into your tank but don’t want to see go right over the overflow

Use for 2-part (Alk/Cal)

Designed for the most demanding coral growers

brighter colors

Immersion depth: approx

Calcium Checker HI758 Two Little Fishies or any food you wantThe 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. What's Included HI758 Checker 2 sample cuvettes with caps 1 bottle of calcium reagent