3M Petrifilm Rapid Coliform Count

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3M
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Description 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. Click here to download
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