Colilert-18 is a liquid culture method that simultaneously detects both total coliforms and Escherichia coli in water, giving confirmed results in 18 hours.
Principle: The Colilert-18 test uses proprietary Defined Substrate Technology (DST) nutrient indicators ONPG and MUG to detect coliforms and E. coli. Coliforms use their β-galactosidase
Available exclusively from NSI Lab Solutions, A single pellet to QC all of your quantitative microbiology analyses! Formulated in our unique lyophilized flash dissolve pellet this microbiological standard contains multiple organisms that in aggregate allow the analyst to QC the following water microbiology tests at the following approximate activity levels:
New and improved water sampling containers for routine microbiological testing of potable [drinking] water samples. 500ml and 1000ml sizes available, dosed or un-dosed with sodium thiosulphate for chlorine neutralisation.
Both containers can be used for a range of functions such as sampling within leisure swimming pools, endoscopy rinse waters, renal