Cleaning a Jacuzzi tub is necessary to avoid buildup from mold, mildew, and mineral deposits. When these items build up inside the jets, they can be propelled into the tub water when the jets are turned on. A jetted tub needs to be cleaned after each use and given a deep cleaning once a month. A soft toothbrush or a bottle brush can be used to clean inside the jets and around the small spaces and crevices surrounding the jet openings. Baking soda, vinegar, and dish soap can be used to clean the jets and tub. It’s generally not recommended for homeowners to use bleach since it can break down the seals in the jets. The Jacuzzi owner’s manual can also provide recommendations for cleaning solutions and the how long to soak the tub before turning the jets on for a good cleaning.