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Coliform Bacteria EZ Test - Free Gift Special - 2 Tests
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No Charge for shipping on this item. Ships by ground for FREE.
The EZ Coliform Cult is an easy, fast, and effective presence/absence test for total coliforms and E.coli in water. Includes 2 bottles for 2 tests.
The media will turn blue-green if coliform bacteria is present, or will remain clear-yellow if coliform bacteria is absent. For 24 hour results for coliform bacteria, heat the sample to 95*F for 24 hours. If kept at 77*F, the test will take 48 hours. Heating the sample is not required and does not affect the accuracy of the test, only the timing. The UV light is not necessary for the coliform bacteria test. However in our opinion, if coliform bacteria is detected, the water should be disinfected (or not consumed at all) regardless of whether E. coli is specifically present.
E. coli growth is confirmed by blue fluorescence under UV light (not included, see the "Related Items" tab above to purchase).
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