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gov/your-drinking-water/basic-information-about-lead-drinking-water
- 50 ml conical tube
A color change from purple to yellow indicates the presence of coliform bacteria
dip #1 eXact® Strip for 30 seconds into sample
WaterWorks™ Total Hardness (Pocket-Pack) Parameter_Biguanide gov/your-drinking-water/basic-information-about-lead-drinking-waterCheck your Total Hardness levels with Confidence using our WaterWorks Total Hardness Check. Contains 30 individually wrapped tests in our new environmentally friendly Pocket Pack! Total Hardness test strips for water quality are the ideal solution for many projects. Our test strips are perfect for service work, classroom demonstrations, or to give to customers instead of an expensive service call. Total Hardness test strips for water quality offer a
