5-in-1 test strips are great for quick, on-site evaluations of water quality with reliable results on every test. These mulit-parameter test strips test for five water quality measurements on 1 strip:
- Free Chlorine (0-10 mg/L)
- Total Chlorine (0-10 mg/L)
- Total Hardness (as CaCO3, 0-25 gpg and 0-425 mg/L)
- Total Alkalinity (as CaCO3, 0-240 mg/L)
- pH (6.2 - 8.4)
Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.