Test kit for E. coli, coliform bacteria and nitrates
Easy-to-use test kit allows you to screen your water for dangerous levels of E. coli and coliform bacteria. Just fill the vial with warm water, shake and allow to sit in a warm area (70°F to 90°F) for 48 hours. A color change from purple to yellow indicates a high level of potentially harmful bacteria. Kit also includes one bacteria test bottle and two nitrate test strips. USA made.
NOTE: Screening test only and cannot be used to certify drinking water as safe or unsafe.