Hach Modified Colitag Presence-Absence Media, 200/pk Snap-Pack

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 morning. The product also provides unparalleled flexibility by offering two testing parameters in one product.

• The Fastest Presence-Absence Test on the Market at 16 Hours
• One Product that Supports 16- or 22-hour Test Methods
• Results are Valid for 32 Hours