Hanna HI774 Phosphate Ultra Low Range PPM Colorimeter Marine Checker electronics Resealable locking closure makes filling

Resealable locking closure makes filling and closing the bag straightforward

No separate test vial is required – simply dip a test strip directly into your pond for easy reading of your pond’s levels

These premium glass heaters are fully submersible

Nitrite and Nitrate (NO2/NO3)

Hanna HI774 Phosphate Ultra Low Range PPM Colorimeter Marine Checker electronics Resealable locking closure makes fillingHanna HI774 Phosphate Ultra Low Range PPM Colorimeter Marine Checker Hanna HI774 Phosphate Ultra Low Range PPM Colorimeter Marine Checker is used to accurately measure phosphate levels from 0. 00 to 0. 90 ppm in marine systems, including reef tanks, to help ensure long term coral health. The HI774 Ultra Low Range Phosphate Checker is a cost effective way to measure phosphate in marine systems, including reef tanks. Excessive phosphate levels can