Dipslide vs Petrifilm vs Laboratory Analysis: Which Microbial Test Should You Use?

A cooling tower, a metalworking fluid sump, and a boiler feedwater line all have the same underlying question: how many bacteria are in there right now, and does someone need to act today? Three tools answer that question at very different speeds, costs, and levels of precision — the dipslide, Petrifilm, and full laboratory analysis. […]