Best Granular Swimming Pool Balancers 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+.

In The Swim pH Increaser is a convenient and effective solution for maintaining the pH level of your pool. With its 100% sodium carbonate formula, it helps raise the total alkalinity and pH levels in your pool, preventing sudden changes in pH levels, also known as “pH bounce”. A healthy pH level is essential for your pool's overall water chemistry, ensuring the water is refreshing and enjoyable all summer long. The ideal pH for swimming pools falls between 7.2 to 7.6. A high pH level (above 8) can cause skin rashes, while a low pH level (under 7) can sting swimmers' eyes. In The Swim pH Increaser makes it easy to manage your pool's pH level, giving you a hassle-free experience.

The SpaGuard Calcium Increaser helps you easily raise the calcium hardness in your spa water, preventing damage caused by low calcium levels. By steadily increasing calcium to the ideal range of 200-400 ppm, it stops your spa water from becoming corrosive, which can harm heating elements and other parts. This product also protects your hot tub’s plumbing, jets, and surfaces from corrosion, helping your spa equipment last longer and saving you repair costs. Plus, it works well with many common sanitizers like chlorine and bromine, making it a convenient choice for maintaining your spa’s water balance.

In The Swim Alkalinity Up is a granular form of sodium bicarbonate designed to raise the total alkalinity level in your pool, spa, or hot tub. When the total alkalinity drops below 80 ppm, this product is essential to keep your pH and chlorine levels stable. With a dosage of 1-1/2 pounds per 10,000 gallons, it can raise the alkalinity level by approximately 10 ppm. The granular form makes it easier to apply into your water, ensuring quick and efficient results. After adding the dosage, it is recommended to retest the water and you can safely swim after 4 hours of circulation. Maintaining proper alkalinity levels with In The Swim Alkalinity Up ensures a balanced and enjoyable swimming experience.

SpaChoice Calcium Booster is a 1-quart chemical used to increase calcium hardness in spas and hot tubs. In areas with low levels of hardness, the low hardness will etch plaster and corrode spa equipment. The ideal hardness level is 200-400 ppm (parts per million). By increasing calcium hardness, the SpaChoice Calcium Booster can prevent the damage caused by low hardness, extend the lifespan of your spa and hot tub, and save you money on repairs and replacements. The downloadable user guide is available under product information for technical specifications.

Leisure Time pH Balance Plus is a spa and hot tub water care product designed to prevent pH drift. It is specifically formulated for use in hard water areas with calcium levels above 150 ppm. This fast-dissolving granular formula is compatible with chlorine, bromine, ozone, and mineral purification systems, making it versatile and suitable for various sanitization methods. Each 3.25-lb bottle of Leisure Time pH Balance Plus treats up to 500 gallons of water, providing convenience and cost-effectiveness. By using this product each time you refill your spa with water, you can maintain the pH balance of your water, ensuring optimal water quality and prolonging the lifespan of your spa or hot tub.