Leisure Time Spa pH Balancer, 3 lb Bottle | LT28 | 45410A Shaft Seals Top Load 370-0683 Marquis Spas

Top Load 370-0683 Marquis Spas 35 sq

Some Master Spas models use this 60 sq

replacement filter cartridge engineered for Pentair's Predator 50 and Clean & Clear 50 single-cartridge filter systems

or water seepage at the strainer housing

Leisure Time Spa pH Balancer, 3 lb Bottle | LT28 | 45410A Shaft Seals Top Load 370-0683 Marquis SpasLeisure Time pH Balance Plus 3 lb Bottle This unique fast dissolving granular formulation adjusts and locks in the proper pH level of spa water. Leisure Time pH Balance Plus can be used in hard water and will last from refill to refill, eliminating the need to adjust pH levels regularly. For soft water areas, use Leisure Time pH Balance. Fast dissolving granular formula Locks in pH until next refill Formulated especially for hard water Use at start up