For Better Jet Performance ClearRay® Jet Line Cleaner clears spa and jetted bath tub plumbing of organics, oils, dirt, and minerals. Add ClearRay Jet Line Cleamer before the water is drained to prevent buildup that can restrict water flow and damage equipment. This product is compatible with all sanitizers including chlorine, bromine, ozone and biquanide. Directions for Use: Use ClearRay® Jet Line Cleaner every 3 months or when the spa is drained and refilled per the manufacturer recommendations. 1. Remove filter catridge and clean separately using ClearRay® Filter Cleaner. 2. Before spa is drained, add entire bottle of ClearRay® Jet Line Cleaner to arm spa through the skimmers. 3. Turn pump on and runt he jets for 15 minites. (Ensure that filter in not in spa.) 4. Turn pump and jets OFF and let sit for 1 hour. 5. Turn pump ON and run jets and blower for 15 minutes. 6. Drain the spa, hosing off the inside spa walls while draining. When empty, rinse one last time. 7. Refill the spa according to the manufacturers recommendations.