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CPI International Colitag™ Presence/Absence (P/A) Water Test Kit 
Definitive water test system for coliforms and E. coli
Supplier: CPI International 46000011
Description
Ready-to-use dehydrated media packet for use with 100mL water sample; yields results after just 22 hours of incubation
- System of injury cell recovery resuscitates E. coli injured by chlorination, eliminates false negatives
- ONPG/MUG-based test detects 1 CFU of total coliform or E. coli bacteria per 100mL sample
- Dramatic yellow color change indicates the presence of coliform bacteria
- Bright blue fluorescence eliminates questionable positive E. coli results
- Dramatic yellow color change indicates positive result
- Provides selectivity with growth inhibitors
- Time-saving alternative to traditional membrane filtration
- Color reference standard (Comparator) is available separately (4600-0040) to confirm E. coli positive results
- USEPA approved for both Presence-Absence and MPN enumerations
Compliance
EPA approved for TCR Compliance Monitoring
Specifications
| EPA | |
| Test kit includes Packets (not the bottles). | |
| 4°C to 7°C | |
| Colitag P/A Test Kit |
| For coliforms, E. coli | |
| 20 | |
| ONPG/MUG |