Freshwater spa chemicals help maintain the proper chemistry balance and cleanliness of your hot tub. Our large selection of Freshwater hot tub chemicals include oxidizers, chemical testing kits, sanitizers, balancers, enhancers, and cleaners. Achieve sparking clear water with Freshwater Instant Filter Cleaner, keep it sanitized with Freshwater Concentrated Chlorinating Granules, and achieve optimal chemistry with our selection of increasers, decreasers, and enhancers. Create the ideal soaking environment with the perfect combination of Freshwater hot tub and spa chemicals from Hot Tub Spa Supplies. Have questions about the right chemicals for your spa or hot tub? Call our team of hot tub specialists at 914-237-5606 for assistance.