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