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Hero image 0 of HTH Pool Care Shock for Swimming Pools, Pool Chemicals, 5.5 lbs, 0 of 7
HTH Pool Care Shock for Swimming Pools, Pool Chemicals, 5.5 lbs
Key item features
- Multi-Use Shock: Multi-use pool shock with Cal Hypo for versatile pool care.
- Weekly Treatment: Use weekly to solve 90% of pool water problems within 24 hours.
- Fast-Acting Formula: Fast-acting and fast-dissolving for immediate results.
- Brilliant Sparkle: Provides a visibly brilliant sparkle to your pool water.
- Chlorine Boost: Boosts chlorine levels without adding cyanuric acid (CYA) to prevent over-stabilization or chlorine lock.
- All Pool Types: Suitable for all pool types, including vinyl-lined pools and salt water systems.
- Easy Application: Follow on-pack instructions to add directly to pool water or skimmer for best results.
- HTH Reliability: Designed to work hard and make pool maintenance easy, keeping your pool water healthy and clear.
Generated by AI
Specs
- Chemical standard typeShock
- FormGranules
- Weight5.5 lb
- Pool chemical typeSwimming Pool Shock
- Product net content parent88 Ounces
- Size5.5 lbs
Current price is USD$28.0431.9 ¢/oz
Price when purchased online
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About this item
Product details
HTH Pool Care Shock for Swimming Pools, Boosts Chlorine Levels, Cal Hypo Formula, Pool Chemicals, 5.5 lbs
HTH® Shock is the original swimming pool shock designed to boost chlorine levels and kill bacteria and algae for a clean, clear pool. Traditional chlorine products contain cyanuric acid (CYA). When too much CYA builds up, it can cause over-stabilization or chlorine lock and cloud your water. The fast-acting, fast-dissolving Cal Hypo based formula in HTH® Shock provides chlorination without adding extra CYA for a beautiful sparkle all season. This pool shock is great for all pool types and won't fade your pool liner.
How To Use HTH® Shock Follow the on-pack instructions according to your pool size to add HTH® Shock directly to swimming pool water or skimmer. Make sure to use a clean, dry scoop. For best results, apply HTH® Shock as part of your weekly pool care routine to keep free available chlorine levels between 1 and 4 ppm.
- Multi-use pool shock with Cal Hypo
- Use weekly to solve 90% of pool water problems within 24 hours
- Fast-acting and fast-dissolving
- Visibly brilliant sparkle
- This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent over-stabilization or chlorine lock.
- This product is great for all pool types including vinyl-lined pools and salt water systems.
About HTH® Pool Care
HTH® was developed with the pool owner in mind. We know that maintaining your pool water can be a lot of work. That’s why we're here every step of the way, helping you clear the uncertainty from pool care. With economical, easy-to-use solutions, HTH® is designed to work hard so you're prepared to tackle whatever life throws in your pool. From balancing your water to treating green water, we offer a full line of products to keep your pool water healthy and your swimmers happy.
Shock treat, sanitize, clarify and help prevent bacteria and algae in your swimming pool water, all with this convenient, easy-to-use pool chemical.
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.
info:
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Showing 1-3 of 298 reviews
Jul 18, 2023
Ace
5 out of 5 stars review
Verified Purchase
Favorite product
I have had issues with shock not wanting to dissolve and stain my liner in the past. We have had 0 issues with this product. I will be sticking to this for years to come. We have a 10,000 gallon pool
Helpful?be91a470-d40b-11f0-ac61-41720b250fb9100724412
Jan 24, 2026
jack
Item details
Sold and shipped byIntegriMarketCount: 6
5 out of 5 stars review
Verified Purchase
Pricey
Seems to work well, may be a lil weak. Sometimes takes 2 bags instead of one. And always priced to high
Helpful?be91a470-d40b-11f0-ac61-41720b250fb9100724412
Nov 25, 2025
Fran
Item details
Size: 13.3 oz
5 out of 5 stars review
Verified Purchase
HTH Pool Care Chlorine Shock — Granules, 6 Pack
These are very easy to use with an inground pool and dissolve fast. The pool's water is clear in no time.
Helpful?be91a470-d40b-11f0-ac61-41720b250fb9100724412
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