Hanna Handheld Phosphate Colorimeter purple Helps stimulate appetite in finicky

Helps stimulate appetite in finicky

25 ppm ±2% of reading

3 dKH ±5% of reading

and fish-only aquariums

Hanna Handheld Phosphate Colorimeter purple Helps stimulate appetite in finickyHanna Marine Phosphate Ultra Low Range Checker (HI774) The Hanna Marine Phosphate ULR Checker (HI774) is a digital colorimeter designed to accurately measure ultra low phosphate levels in saltwater aquariums. It provides fast, precise digital results without the guesswork of color matching test kits, making it an essential tool for reef hobbyists looking to maintain optimal nutrient levels for healthy coral growth and vibrant coloration. Features: