Every pumper has their favorite tools and techniques for certain kinds of jobs. One of the most challenging of those jobs is the tank that’s been so neglected it has a veritable drumhead on it, the scum is so thick and solid. That’s when you have to decide whether to backflush or to agitate. Here’s what some of your colleagues tell us about their chosen method:Tim Frank relies on backflushing for the majority of small- and medium-sized tanks.“We don’t use agitators for those,” he says. “Our trucks are pretty big with powerful pumps on them, so they can get the
