This methodology utterly depends on microorganism growing a colony on a nutrient medium. With this system, you see the colony along with your oculus. Once you see this stuff, you'll simply count them. Wastewater is harmful not only for human being but also for animals. That's why appropriate testing of Waste water is mandatory. This test is a must to check the risk of gastrointestinal infections.This is also the best way to analyze other related diseases.











