Range: 0.00 to 2.50 ppm (mg/L) - Resolution: 0.01 ppm (mg/L) - Accuracy @ 25°C: ±0.04 ppm (mg/L) ±4% of reading

Dedicated to a single parameter PHOSPHATE 0.00-2.50ppm (mg/l)

Easier to use and more accurate than chemical test kits

Small size, big convenience! Weighing a mere 64 g (2.25 oz.), the Checker®HC easily fits into the palm of your hand or pocket

Ideal for: Aquaculture, natural, waste, drinking waters and agriculture