2 Tests Including FREE SHIPPING!
WaterWorks™ Bacteria Check Mini is ideal for home use and quick verifications. Product is not EPA Compliant, which requires 100ml product size. Simply remove the cap and fill water to the indicated line, shake, and let it sit for 48 hours at room temperature. A color change from purple to yellow indicates the presence of coliform bacteria. Complex chemistry, made simple. Product comes with a 30 month shelf-life from date of manufacturing.