Will a bad hot tub cover create foam?

If your hot tub cover is loose or has cracks, rips and tears, then products that do not belong in the hot tub could get in and create foam. Therefore, a good fitting and well maintained hot tub cover is important to keeping your hot tub foam-free. There are other factors that could cause your hot tub to foam: for example, people getting into the hot tub while wearing hair gel, deodorant and other grooming products, or wearing a swimsuit that has been washed in laundry detergent. It is common for people to eat and drink while in a hot tub, yet if either contaminates the water then this can also cause foam.