Top 5 Jacuzzi Maintenance Tips Use hot tub covers. One easy way to keep your spa and its water clean is to use a hot tub cover. Make sure to wipe off debris as part of your maintenance routine, and you can use a garden hose to spray down the underside of the cover. If you use any chemicals on top of the cover, make sure to avoid using it anywhere else as it can affect the hot tub water. Keeping...