Left uncovered, your pool magically transforms into a gigantic catcher’s mitt with the slightest breeze. Dirt, leaves, dead bugs, seeds, and pollen all fall into the water. While cleaning the water was once a slow, manual, and labor-intensive process, pool vacuums have made the chore easier. Using a vacuum head attached to a telescoping pole, you can run over garbage on the bottom of your pool, suck it up the attached hose, and trap it in the pump filter. Or, if you prefer to play more than work, submerge a robot vacuum and it will clean while no one is swimming. Before you run out to get a vacuum, here are a few other things you should know.