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Hach Modified Colitag™ is the fastest presence-absence test in the market. This allows drinking water facilities to begin a test at 5:00 p.m. and get EPA-approved results by 9:00 am the following morn

Hach Modified Colitag Sterile 120 mL Sample Bottles with sodium thiosulfate tablet. Can be used with all Hach Modified Colitag 16-hour presence/absence tests. 100/pk. Hach Modified Colitag offers the

Hach Modified Colitag™ is the fastest presence-absence test in the market. This allows drinking water facilities to begin a test at 5:00 p.m. and get EPA-approved results by 9:00 am the following morn

Hach Modified Colitag™ is the fastest presence-absence test in the market. This allows drinking water facilities to begin a test at 5:00 p.m. and get EPA-approved results by 9:00 am the following morn

Comparitor for use with Hach Modified Colitag. Hach Modified Colitag™ Colitag offers the following benefits: The Fastest Presence-Absence Test on the Market at 16 Hours One Product that Supports 16-