How do I interpret the results of a Total Coliforms Paddle Tester?
Result interpretation of Total Coliforms paddle tester
Total Coliforms will appear as pinkish, gray colonies on the light red medium of the Total Coliforms Paddle Tester (catalog number/order code 2610910). Colonies which appear colorless indicate the presence of non-lactose fermenting bacteria. Most gram-positive bacteria are inhibited.