w Products - Brownstone Asia-Tech Inc.

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Colilert

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Lowest cost and most popular Defined Substrate Technology® (DST®) test. Simultaneously detects or quantifies both total coliforms and Escherichia coli. Results in 24 hours.


Colilert-18

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Ideal for afternoon and rush samples as well as real estate, new well and new construction samples. Simultaneously detects both total coliforms and Escherichia coli in water, or fecal coliforms in wastewater. Results in 18 hours.


Colisure

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Longest read window of 24–48 hours for read-time flexibility. Simultaneously detects both total coliforms and Escherichia coli; positive results have a distinct magenta color. Results valid through 48 hours