SpaGuard Rapid Dissolve Stain and Scale Tablets for Spas and Swim Spas

These tablets are like supercharged protection for your spa against the dreaded calcium scale. With high temperatures and bather waste, pH levels can rise and lead to scale formation, but fear not! Just pop 1 tablet per 300 gallons into your spa weekly and say goodbye to scale. One bottle treats average sized spas for up to 12 weeks!