HI-38041 IRON TESTS KITS - HIGH RANGE

The HI-38041 is a high range iron chemical test kit with checker disc.
Iron concentration in natural water is typically below 1 mg/L (ppm), but the level can be much higher due to industrial discharges. Checker disk method. Range (0.00-1.00 mg/L) Low range. Range (0.0-5.0 mg/L) Medium range. Range (0.0-10.0 mg/L) High range.