Hot Spring Watkins Freshwater Spa Care Kit - Spa Care Kit Spa, 76770 Part Number: 76770 Kit includes Concentrated Chlorinating Granules, MPS Oxidizer, pH Up, pH Down, Defoamer, Stain & Scale, 5-Way Test Strips, and a Spa Water Maintenance & Troubleshooting Guide. The Watkins Freshwater Spa Care Kit is a complete FreshWater spa care kit in one convenient box. No matter the model of your spa or hot tub, or when it was made - it's important that you regularly sanitize and treat your spa to prevent bacteria build-up. Choose from our selection of hot tub filters and maintenance products to find the right hot tub sanitizing system for your spa - at the right price! Hot Spring Spa Supplies carries spa fragrances, air & water valves, control systems, filter accessories, lights, cleaners, pumps, thermostats, and more for virtually every hot spring model.