Best Swimming Pool Balancers for Hot Tub of 2026

SpaGuard pH+ is a dry, granular product designed to gradually raise the pH level in your spa or hot tub. This product protects your equipment from corrosion caused by low pH and balances the water for your comfort. By using SpaGuard pH+, you can enjoy a more comfortable soak while protecting your investment. With its easy-to-use granular form, you can add just the right amount to your spa or hot tub without the hassle of measuring. Keep your spa or hot tub in top condition with SpaGuard pH+.

Keep your spa water properly balanced and avoid equipment damage with SpaGuard Alkalinity Balancer. Adding just 1 tablespoon per 100 gallons of water raises the total alkalinity by 25ppm, preventing "pH bounce" and maintaining a comfortable pH level for your skin. This product also helps prevent corrosion and damage to your spa surface and equipment, extending their lifespan. With SpaGuard Alkalinity Balancer, you can enjoy a safe and comfortable spa experience while protecting your investment.

The HTH Spa pH Up helps you keep your spa or hot tub water balanced for a clearer and more enjoyable soak. By raising the pH levels, it ensures your sanitizer works better, helping to keep the water clean and safe. This product also protects your spa’s surfaces and equipment from corrosion, which can save you money on repairs. Made with mineral crystals, it’s designed to give you a more relaxing experience every time you use your spa. Plus, it works well with all types of spa systems, including bromine, chlorine, and biguanide setups.

HTH Spa pH Down is a spa and hot tub chemical designed to decrease and balance the pH levels in your spa water or hot tub. By doing so, it not only enhances the clarity of the water but also improves the efficiency of the sanitizer, allowing it to work more effectively. Additionally, this product prevents scaling of spa surfaces and equipment, prolonging their lifespan. HTH Spa pH Down is compatible with all spas, including those that use bromine, chlorine, and biguanide. For the best results, it is recommended to use HTH Spa Test Strips twice a week to test, balance, and maintain the total pH levels between 7.2 and 7.8 ppm. With HTH Spa pH Down, you can enjoy a more relaxing and enjoyable spa experience.

SpaChoice Alkalinity Up is a 2-pound chemical for maintaining the total alkalinity of your hot tub. It is critical for holding chlorine residuals and controlling pH levels. Alkalinity acts as a buffer, improving the ability of your pool water to resist pH fluctuations. With a corrected total alkalinity, pH levels are easier to control. The product comes with a downloadable user guide, available under the product information. Keep your hot tub water balanced with SpaChoice Alkalinity Up.

Balance the pH levels of your hot tub effectively with the AquaDoc pH Increaser. Maintaining a pH range of 7.2 to 7.8 and total alkalinity from 80 to 140 ppm is crucial for the health of your hot tub. This pH increaser is specially designed for hot tub spas, helping you treat cloudy water, scale build-up, and more. When the pH level is too low, your sanitizer becomes less effective, and the water can cause itchy skin and eyes. By using the AquaDoc pH Increaser, you can adjust the pH levels and increase the total alkalinity, ensuring balanced water chemistry. Made in the USA, this high-quality hot tub chemical guarantees consistent quality for your spa maintenance.

Leisure Time Foam Down Cleanser is an easy-to-use defoamer that stops and retards foaming in hot tubs and spas. Compatible with chlorine, bromine, ozone, and biguanide sanitizers, this product can be used as needed to stop unsightly foaming. Simply shake well before using and add Foam Down directly to the foaming area using approximately 1/2 oz. at a time. The defoamer begins working immediately, providing a quick and convenient solution to foaming issues. With 8 fl oz of hot tub cleaning chemicals included, Leisure Time Foam Down Cleanser is a must-have for hot tub and spa owners looking to keep their water crystal clear and foam-free.

The Leisure Time Defender Spa and Hot Tub Stain and Scale Cleaner is a 32 fl oz solution that effectively prevents the formation of scale, removes existing scale, and helps prevent precipitation of dissolved solids in spas and hot tubs, ensuring continued protection from scale with weekly application. It is compatible with various sanitizers such as chlorine, bromine, ozone, and biguanide, and it protects spa surfaces and equipment. This cleaner is ideal for use at the start-up of a hot tub or spa, and it can be used with Leisure Time Metal Gon.

The MAV AquaDoc Calcium Booster helps you keep your hot tub water balanced and healthy by raising calcium hardness levels. This product prevents damage like corrosion, stains, and etching that can happen when water is too soft. It’s designed to increase calcium in your spa water in easy 10ppm steps, making it simple to maintain the right hardness. Having this booster on hand ensures you can quickly correct calcium levels and protect your hot tub’s surfaces and equipment. With MAV AquaDoc, balancing your hot tub water becomes more cost-effective and hassle-free, giving you peace of mind while enjoying your spa.

The AquaDoc pH Down is designed to help you keep your hot tub water balanced by lowering the pH to the ideal range of 7.2 to 7.8. This balance prevents issues like cloudy water and scale buildup, so your spa stays clear and comfortable. When pH levels are too high, it can harm your pump and filter over time, but using this product protects your equipment and improves overall spa performance. Additionally, keeping the pH right helps your sanitizer work better, making your spa water cleaner and more pleasant for you to enjoy.