1 / 7HTH 52064 Pool Care Shock Advanced, 20-Pack
HTH 52064 Pool Care Shock Advanced is a granular chlorine shock sold as a 20-pack, with listing claims of 20 pool test strips. Each 1 lb bag is specified for 13,500 gallons, making the pack suited to repeated pool maintenance when dosing is matched to water volume.
At a glance
- Calcium hypochlorite shock formulated for weekly pool treatment, according to the listing.
- The listed dose is one 1 lb bag per 13,500 gallons, with additional treatment suggested after heavy use, strong sun or rain.
- Listing says it is compatible with saltwater systems and pool liners, and claims it will not fade vinyl liners.
- Includes 20 test strips according to the product title and treatment-bundle description.
Often bought together
Pros and cons
Pros
- Twenty individually sized 1 lb bags support repeated dosing without estimating a partial bag, provided pool volume is known.
- The listing gives a specific dose per pool volume and a chlorine test target to guide use.
- Customer feedback reports ease of use and improved water clarity, while experiences with dissolving and residue are mixed.
Cons
- Customer feedback includes reports of heavy residue and of granules taking several days to dissolve completely.
Technical specifications
10 specifications| Brand | HTH |
|---|---|
| Model | 52064 |
| Form | Granular |
|---|---|
| Weight listed | 20 pounds |
| Number of treatment packs | 20 |
| Dose per bag | 1 bag treats 13,500 gallons |
|---|---|
| Suggested schedule | Test pool water and shock weekly to keep free available chlorine levels between 1 and 4ppm |
| Pool compatibility | Effective for all swimming pool types including pools with liners and Gunite pools, and saltwater pool systems |
| Application timing | Add it in the evening with the filter pump running. |
| Swim condition | Swim once chlorine tests 4 ppm or lower. |
What to know before buying
- The listing directs users to add the granules in the evening with the filter pump running, wear rubber gloves and protective eyewear, spread over the deepest part of the pool, brush settled granules, avoid floaters or feeders, and wait to swim until chlorine tests 4 ppm or lower. It also says to use an opened bag entirely.
Who is it for?
A good fit for
- Pool owners who want pre-portioned weekly shock bags and can dose according to pool volume.
- Owners of liner, Gunite or saltwater-system pools looking for a chlorine shock described as compatible with those pool types.
- Buyers who want test strips included with a multi-treatment supply.
Less suited to
- Pool owners seeking a chlorine-free treatment.
- Buyers who need a product with consistently fast dissolution or no reported residue.
Customer reviews on Amazon
- 5 stars
85% 85% - 4 stars
10% 10% - 3 stars
3% 3% - 2 stars
0% 0% - 1 star
2% 2%
Customer feedback is broadly favorable about ease of use, perceived value and water clarity, with many five-star ratings. Reports on transparency and dissolving are mixed, and some customers describe heavy residue. These accounts matter for buyers expecting rapid, clean dissolution. The listing's dosing guidance is specific, but it does not guarantee a particular clearing time or residue outcome.
Positive themes
- Customers report that the shock is easy to use and that treated water can look clearer.
Negative themes
- Some customer feedback reports heavy residue in the pool.
Mixed feedback
- Customers differ on dissolving speed, with reports ranging from fairly quick dissolution to several days.
- Water transparency feedback is mixed despite positive reports of improved clarity.
Frequently asked questions
How much HTH 52064 should I use?
The listing specifies one 1 lb bag for every 13,500 gallons of pool water. It advises using the entire bag once opened.
How often does the listing recommend shocking the pool?
It describes weekly use and says to shock again after heavy pool use, strong sun or rain. It also advises testing water and keeping free available chlorine between 1 and 4ppm.
When can swimmers return to the pool?
The listing says to swim once a chlorine test reads 4 ppm or lower.
Can it be used in a saltwater pool?
The listing claims compatibility with saltwater pool systems, along with liner and Gunite pools.
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