Hanna Instruments - Checker Marine Ultra Low Range Phosphate Colorimeter surgeon shaded area will prolong the

shaded area will prolong the activity

which is proportional to coral growth and metabolic activity

Clean test vial and scoop after use

red band across the orange anal fin creates an impressive and bold color palette

preventing harmful detritus from building up on the corals

Hanna Instruments - Checker Marine Ultra Low Range Phosphate Colorimeter surgeon shaded area will prolong theThe Ultra Low Range Phosphate Checker HC (HI774) is a cost effective way to measure phosphate in marine systems, including reef tanks. Testing for phosphates is standard practice for saltwater aquariums and provides valuable insight into your reef tanks water chemistry to help ensure long term coral health. Phosphates are one of the many forms of phosphorus compounds found in marine waters. Excessive phosphate levels can prevent calcification,