The early detection is due to Coliforms producing acid which is picked up by the Petrifilm plate.
After 6 hours you may begin to identify presumptive coliforms. After 8 hours you may begin to identify confirmed coliforms. Total confirmed coliform counts are available from this Petrifilm plate at 24 hours.
Arrow Scientific was established in 1990 to offer smarter product quality and safety testing tools to:
• ensure quality at all processing stages - raw materials to finished products
• monitor processing steps and conditions
• setting physical or consumer standards for products
• detecting undesirable contaminants such as bacteria or chemicals.
• training staffing best hygiene practise.