Chlorine Start-Up Shock: Shock your freshly filled hot tub with FROG Jump Start and establish an initial chlorine level while removing organic components; single dose treats hot tubs up to 600 gallons Effective Water Sanitization: Add FROG Jump Start after filling your hot tub to establish a baseline chlorine level; optimizes the performance of all FROG hot tub sanitizing systems Compatible with Hot Tub Chemicals: FROG Jump Start is a dichlor product, and is compatible with other hot tub chemicals (except for biguinides) and water care programs Convenient Hot Tub Water Treatment: FROG Jump Start is prefilled in a packet; cut it open and pour in with no measuring or handling of chemicals; quickly dissolves with a fizzing action to ensure effective sanitization Water Care Expertise: FROG has more than 25 years of experience making water care easier & keeping pool, hot tub and swim spa water sanitized; FROG's patented Mineral Technology and prefilled cartridges create cleaner, clearer, softer water The first step in starting up a freshly filled hot tub is FROG Jump Start. Engineered to simplify your hot tub start-up routine, these prefilled packets ensure no guesswork, no mess and no stress. Each shock packet is designed to treat up to 600 gallons, optimizing the performance of all FROG hot tub sanitizing systems. Enjoy the benefits of our shock treatment, which effectively removes organic contaminants and establishes an initial chlorine level in your hot tub. The effervescent fizzing action of our spa shock quickly dissolves, providing a fast and efficient solution to starting up clear and clean hot tub water. For more than 25 years, FROG has sanitized pools, hot tubs and swim spas with its innovative, patented Mineral Technology that makes water care easier. FROG's prefilled cartridges mean no mess, no guess and no stress water care for your pools, hot tubs and swim spas. Each FROG product helps make your water cleaner, clearer, softer and easier. No matter what size pool, hot tub or swim spa you have, FROG has a solution for it.