Each Roll Includes 15 Feet Of Paper Spooled On A Tightly Sealed Plastic Dispenser. The Paper Provides Sharp, Clear Color Changes For Easy Comparison To The Included Color Chart.
Disk Public/Treated Water, pH: 4.5-9.5 pH, Series: D101, Total hardness: 0-70 gpg, Total alkalinity: 0-250 ppm, Tests include free and total chlorine(0-15 ppm), hardness, iron and copper(0-3.0 ppm)