1. Remove filters or cartridges from your spa. 2. Rinse and soak filters or cartridges with water. 3. Spray the cleaner over the surface, let it sit for 5 minutes, and rinse off the solution.
For better results, let your spa filters or cartridges dry before reinstallation
*It is important to maintain the pH between 7.2 and 7.8. High pH (above 7.8) can cause scaling and/or cloudy or colored water.
