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Single-Dose Start-Up Shock for Swim Spas

Swim spa start-up shock comes in a single, easy-to-pour packet. No measuring = No mess. No guess. No stress. Simply drop the packet into the water and it quickly dissolves before hitting the floor of your swim spa to avoid surface bleaching. Bubbles will rise as it quickly goes to work giving your freshly-filled swim spa an initial chlorine level.