28.01.2007 New «Col-Test» bag gives you a chance to cut down the expenses of water test for presence of colon bacillus (Escherichia coli) with using color changing reagent.

The bag is produced from special protective pellicle that blocks dye and protects neighbour bags and research worker's hands from microbial semination. Moreover, such kind of bags cost cheaper than bottles and allows to reduce the costs for transportation, storing and utilization. As you can see, advantages of these bags let us save time and money, lighten the work itself and raise it's effectiveness. They fit perfectly almost every branch of industry, wich needs water sampling and tests. These bags are mentioned in EPA Manual for the Certification of Laboratories Analyzing Drinking Water, part 5.3.1.4, the 5th publication, Jan 2005.