Hach 5 in 1 water quality test strips are great for quick, on-site evaluations of water quality with reliable results on every strip. The 27552-50 contains 50 individual strips that test for five water quality measurements all on one strip. These test strips test for free chlorine, total chlorine, total hardness, total alkalinity, and pH levels.

Specifications:

• Quantity: 50 strips
• Perfect for service work, classroom demonstrations, or to give to customers instead of an expensive service call.
• Test ranges are as followed:
  
• Free Chlorine (0-10 mg/L)
• Total Chlorine (0-10 mg/L)
• Total Hardness (as CaCO3, 0-25 gpg & 0-425 mg/L)
• Total Alkalinity (as CaCO3, 0-240 mg/L)
• pH (6.2-8.4)