Hero image 0 of HTH Pool Care Shock Advanced — Granules, 6 Pack (6 lb total) — Pool Shock Treatment for Weekly Pool Sanitizing, 0 of 6
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HTH Pool Care Shock Advanced — Granules, 6 Pack (6 lb total) — Pool Shock Treatment for Weekly Pool Sanitizing
HTH Pool Care Shock Advanced — Granules, 6 Pack (6 lb total) — Pool Shock Treatment for Weekly Pool SanitizingHTH Pool Care Shock Advanced for Swimming Pools Granules 6 Pack 1 lbHTH Pool Care Shock Advanced for Swimming Pools Granules 12 Pack 1 lbHTH Pool Care Shock Advanced for Swimming Pools Granules 1 lb
Count Per Pack:6
Key item features
- Multi-functional shock treatment for weekly use
- Prevents bacteria & algae
- Use weekly to solve 90% of pool water problems within 24 hours
- Restores crystal clarity in 24 hours
- Visibly brilliant sparkle
- This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent over-stabilization or chlorine lock.
Specs
- Chemical standard typeCalcium Hypochlorite Shock
- FormGranules
- Pool chemical typeSwimming Pool Shock
- Weight6 lb
Current price is USDNow $24.13
You save $5.86
was $29.99$29.99
$4.02/lbYou save$5.86
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About this item
Product details
HTH Pool Care Shock Advanced, Prevents Bacteria & Algae, Cal Hypo Formula, 1 lbs (Pack of 6)
HTH® Pool Care Shock Advanced is the powerful 4-in-1 formula with Cal Hypo that kills and prevents bacteria and algae as well as reduces chlorine odor and irritation for crystal clear, healthy water. 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 formula in HTH® Pool Care Shock Advanced provides chlorination without adding extra CYA for a beautiful sparkle all season. This product is great for all pool types and won't fade your pool liner.
How To Use HTH® Shock Advanced: Follow the on-pack instructions according to your pool size to add HTH® Shock Advanced directly to swimming pool water or skimmer. Make sure to use a clean, dry scoop. For best results, apply HTH® Shock Advanced as part of your weekly pool care routine to keep free available chlorine levels between 1 and 4 ppm.
- Multi-functional shock treatment for weekly use
- Prevents bacteria & algae
- Use weekly to solve 90% of pool water problems within 24 hours
- Restores crystal clarity in 24 hours
- Visibly brilliant sparkle
- This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent over-stabilization or chlorine lock.
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.
Specifications
Chemical standard type
Calcium Hypochlorite Shock
Form
Granules
Pool chemical type
Swimming Pool Shock
Weight
6 lb
Warranty
Warranty information
N/A
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Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
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Showing 1-3 of 1,803 reviews
Nov 11, 2025
Jodi
Top Reviewer
Item details
Count per pack: 12
5 out of 5 stars review
Verified Purchase
Pool clarity
We always use HTH shock for our pool and continue to have crystal clear water. We have tried other pool shock which messed with the chemistry and made more work if we had not tried.
Helpful?e782c080-d40b-11f0-ac61-41720b250fb9408686916
Aug 15, 2024
PoolLady
Item details
Count per pack: 12
5 out of 5 stars review
Verified Purchase
Helped my Dark Green Pool!!
My pool has roughly 2500 gallons of water. There was a week of heavy raining plus I had neglected the pool a week before out of ignorance. This is my first pool. After the rain my pool went DARK GREEN. I researched and added a bag of Clorox shock and nothing I added one bag of hth shock and nothing I then bought the six pack of shock and at night I mixed in THREE BAGS the next morning it was light green!! To be sure I mixed in the next 3 bags and it was fully cleared up by midday. Please note - every time I added the chemicals I pre dissolved the shock in a small bucket for fear of ruining my pool liner. Hope this helps someone because it definitely helped me.
Helpful?e782c080-d40b-11f0-ac61-41720b250fb9408686916
Aug 14, 2025
CHRISTY
Item details
Count per pack: 12
5 out of 5 stars review
Verified Purchase
I think I'm a professional pool cleaner
Worked as expected and highly recommended by several people! It's breaking up the black algae slowly but surely and levels are literally perfect after one use even with all the rain! Everything is on the bottom making cleaning and vacuuming very low maintenance!
Helpful?e782c080-d40b-11f0-ac61-41720b250fb9408686916
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