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The HTH Pool Care Shock Advanced Ð 1_lb (Model 52035) is a fast-dissolving, Cal_Hypo granular sanitizer designed to restore crystal-clear pool water within 24_hours. This 4_in_1 formula effectively kills and prevents bacteria and algae, reduces chlorine odor and irritation, and doesn't add stabilizers (CYA), avoiding overstabilization or chlorine lock. Ideal for weekly maintenance, one 1_lb bag treats up to approximately 13,500_gal and is safe for all pool types, including vinyl-lined and saltwater systems. Trusted by pool owners and professionals, this advanced shock delivers brilliant sparkle and healthy water balance with convenient, reliable performance.
Highlights
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Fast-Dissolving Cal-Hypo Shock - Quickly clears cloudy water in 24 hours with a powerful 4-in-1 sanitizing formula.
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Kills Bacteria & Algae - Effectively eliminates contaminants while preventing future growth for healthier pool water.
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No Added Stabilizer (CYA) - Won't contribute to overstabilization or chlorine lock, ensuring consistent sanitizer performance.
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Safe for All Pool Types - Compatible with vinyl, fiberglass, and saltwater systems; ideal for weekly pool maintenance.
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Convenient 1 lb Dose - Each bag treats up to 13,500 gallons, offering reliable results trusted by pool owners and pros.
Includes
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1 Box Includes
15 Bags of Advanced lb. Shock
6-Way Test Strips - 15 Strips
How To Use
HTH Shock: Pool Chlorine Shock
1. Add Directly To Water Or Skimmer
Follow the on-pack instructions according to your pool size.
2. Repeat Weekly
For best results, use HTHª Shock as part of your weekly pool care routine to keep free available chlorine levels between 1 and 4ppm.
Orenda Chemistry Calculator
Accuratly calculate your Ph, chlorine, CYA, phosphate, salt LSI, & more with the Orenda Chemistry Calculator.