Hanna Calcium Checker Test Kits Provides original Chemi-Pure chemical filtration

Provides original Chemi-Pure chemical filtration benefits

Controls the organic load that can contribute to ammonia

Soak for 24 hours before use in freshwater aquariums or ponds

50 - 300 micron zooplankton suspension for fishes

2 inch threaded strainer fitting for larger aquarium plumbing systems

Hanna Calcium Checker Test Kits Provides original Chemi-Pure chemical filtrationHanna Calcium Checker The Hanna Calcium Checker HI758 is a handheld marine calcium colorimeter designed for saltwater aquariums and reef systems, giving a digital calcium result in ppm without relying on colour chart matching. It is a practical upgrade from traditional titration style calcium test kits for hobbyists who want a compact, single parameter checker for monitoring one of the most important reef aquarium elements. Hanna HI758 Marine Calcium