BENEFITS: Fight a severe algae bloom and transform your swimming pool water from green to blue in 24 hours with this easy-to-use system
•EASY TO USE: Simple 2-step system; Pack I is a strong algae-fighting pool shock with Cal Hypo; Pack II is a powerful flocculant that drops particles to floor for easy vacuuming
•VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula transforms water from green to blue within 24 hours without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock
•COMPATIBLE WITH ALL SWIMMING POOLS: This product is effective for all pool types that can vacuum to waste; It's ideal for vinyl-lined pools and won't fade liners
•YOU'RE ALL CLEAR WITH HTH: For best results, use with HTH 6-Way Test Strips to test and balance your swimming pool water twice weekly