Product Description
3M™ Petrifilm™ Aqua Coliform Count Plates are sample-ready media plates used to measure coliform levels and provide reliable test method for bottled water.
Each plate contains a water-soluble gelling agent, nutrients and indicators in a dry, shelf-stable format. The indicator dye colors all colonies red, and the top film traps the gas produced by the coliforms. Gas trapped around red coliform colonies indicates confirmed colonies.
How to use 3M™ Petrifilm™ Plates:
