Leisure Time Jet Clean is a powerful, concentrated formula designed to remove scale, grime, and buildup from spa and hot tub plumbing. Its advanced formula helps to maintain optimal performance and extend the life of your spa equipment. Jet Clean is easy to use, simply add it to your spa water and let it circulate for an hour before draining and refilling. Regular use of Jet Clean helps to ensure that your spa stays clean and operating smoothly, so you can relax and enjoy your leisure time to the fullest.