About This

• Test calcium (Ca) and magnesium (Mg) level in water. Suitable for brackish water and seawater with the salinity higher than 5 part per thousand (ppt).
• For freshwater and marine aquarium and aquaculture, pond water, ground water, drinking water
• Ca range from 0 – 800 part per million (ppm) with the resolution of 40 ppm per drop. Mg range from 0 – 1725 ppm with the resolution of 50 ppm per drop.
• Can measure 120 tests
• Easy to use, accurate, fast test, economic