Media:
The fastest EPA-approved presence/absence test on the market today, Modified Colitag tests for coliforms and E. coli in just 16 hours. Modified Colitag offers flexibility to support either a 16-hr or 22-hr testing timeframe with just one method, and results are valid for up to 32 hours.
Comparator:
For use with Modified Colitag Presence/Absence Media, the comparator is used to visually check each sample.
Sample Bottle:
These sterile 120 mL polystyrene sample bottles are for use with all Hach Modified Presence/Absence tests. The bottles come shrink-banded and contain sodium thiosulfate (tablet). They feature a screw cap for effective sealing.