HANNA HI 713 Checker HC Colorimeter - Phosphate Low Range - 0 to 2.5 ppm - GENTLY USED with REAGENTS Salt Each piece of rock boasts

Each piece of rock boasts a unique arch shape

NorthFin's Koi Supreme formula offers your Koi a complete and highly nutritional diet

while a heater guard provides additional peace-of-mind protection

extra calcium

The treatment is phosphate and ammonia free

HANNA HI 713 Checker HC Colorimeter - Phosphate Low Range - 0 to 2.5 ppm - GENTLY USED with REAGENTS Salt Each piece of rock boastsHI 713 Checker HC Colorimeter Phosphate Low Range 0 to 2. 5 ppm The Hanna Checker HC is a handheld colorimeter that delivers the accuracy and resolution of a professional grade instrument, with the simplicity and affordability of a basic chemical test kit. This pocket sized tester will save you hundreds of dollars in hi tech equipment, while eliminating the need for complicated calibrations and maintenance. This particular model quickly and accurately