Non-Chlorine Shock: Shock your hot tub periodically with FROG Maintain for Hot Tubs, the recommended non-chlorine shock that pairs and optimizes all FROG hot tub sanitizing systems; single dose works for hot tubs up to 600 gallons Effective Water Maintenance: Add FROG Maintain once a month when using it in combination with the FROG @ease Sanitizing System; for FROG Serene users, add FROG Maintain to the water once a week Compatible with Hot Tub Chemicals: FROG Maintain is a monopersulfate product, and is compatible with other hot tub chemicals (except for biguinides) and water care programs Easy Hot Tub Water Treatment: FROG Maintain for Hot Tubs is prefilled in a packet; cut it open and pour in with no measuring or handling of chemicals; it dissolves quickly, eliminates organic contaminants, and delivers crystal clear hot tub water 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 Keep your hot tub in great condition and ready for use with FROG Maintain Non-Chlorine Maintenance Shock. FROG Maintain is a premium non-chlorine maintenance shock designed specifically for hot tubs. Our shock packets simplify your water treatment routine, ensuring your hot tub remains crystal clear and inviting without the hassle of measuring or guessing doses. Experience the ultimate ease in spa maintenance with FROG’s single-use packet. Each shock treatment is pre-measured to treat up to 600 gallons, providing a reliable and consistent way to eliminate organic contaminants quickly. The rapid-dissolving formula works within 15 minutes, making regular shock treatments effortless and ensuring your water is always ready for relaxation. FROG Maintain offers exceptional features that set it apart from traditional chlorine-based treatments. As a non-chlorine shock, it prevents cyanuric acid buildup. This ensures long-term water clarity and reduces the need for frequent water changes. Our single-use packets deliver convenience and effectiveness, making spa shock a stress-free part of your routine. With FROG Maintain, enjoy the benefits of a non-chlorine shock that keeps your hot tub water clear and free from irritating odors. Embrace hassle-free spa maintenance and enrich your daily life with FROG’s revolutionary approach to water treatment. 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.