#1 Home Improvement Retailer

Internet # 319423588

Model # 52035

Store SKU # 1008188296

1 lb. Pool Care Shock Advanced

$6.97
  • All-in-1 weekly Cal Hypo pool shock treatment
  • Solve 90% pool water problems and restore crystal clarity in 24h
  • Built-in feature lets you know the product is working
  • View More Details
Store
0 in stock
icon
Free & Easy Returns In Store or Online
Return this item within 90 days of purchase. Read Return Policy
Product Details

About This Product

About This Item HTH 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 overstabilization or chlorine lock and cloud your water. The fast-acting, fast-dissolving Cal Hypo formula in HTH 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. 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.

Highlights

  • Use this all-in-one powerhouse to quickly and easily increase chlorine levels, prevent bacteria, algae, stain and scale, reduce skin and eye irritation, improve filtration and soften your swimming pool water
  • Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock
  • Product is great for all pool types including vinyl-lined pools and salt water systems
  • For best results, use with HTH 6-Way Test Strips to test and balance your swimming pool water twice weekly
  • Crystal clear water in 24-hours
  • Contains no cyanuric acid (CYA), which means no risk of overstabilization
  • Compatible with salt water systems
  • Return Policy

Product Information

Internet # 319423588

Model # 52035

Store SKU # 1008188296

Additional Resources

Shop All HTH
From the Manufacturer

Specifications

Dimensions: H 10.47 in, W 4.43 in, D .75 in

Dimensions

Container Size (oz.)

16 oz

Product Depth (in.)

.75 in

Product Height (in.)

10.47 in

Product Width (in.)

4.43 in

Details

Outdoor Living Product Type

Pool Shock

Pack Size

1

Pool Chemical Type

Pool Shock

Product Form

Granules

Product Weight (lb.)

1 lb

Returnable

90-Day

Warranty / Certifications

Manufacturer Warranty

none

Questions & Answers

10Questions
caret
Q:What concentration of Calcium Hopochlorite is in this product. Trying to compare price points. Other offerings have 68-70%.
by|Mar 3, 2024
1 Answer
Answer This Question

A:  Hi Dave, the HTH™ Pool Care Shock Advanced has a 56.44% concentration of Calcium Hypochlorite. If you have any other questions about HTH products, don't hesitate to reach out to us at 866-484-7665. Thank you!

by|Mar 4, 2024
    caret
    Q:Hi, is this ok for hot tub swim spa?
    by|Jan 11, 2024
    1 Answer
    Answer This Question

    A:  Giovanni, Actually, the 1 pound bags of shock are meant for single use in 10-12,000 gallon pools. They are not reclosable and you will only need a few ounces for a hot tub or spa. We suggest using the HTH Shock for Spas in a reclosable bottle. It is not safe to use a portion of the bag because moisture can get in and cause reaction. If you need further product info, feel free to contact our Consumer Engagement Dept at 866-484-7665. We're Here To Help and can suggest options for you.

    by|Jan 12, 2024
      caret
      Q:Can this product be used to chlorinate a well?
      by|Sep 24, 2023
      1 Answer
      Answer This Question

      A:  We cannot recommend off label directions for swimming pool products. You will need to check with NSF.org for directions on how to treat well water. If you have questions relating to swimming pool products or pool water, please feel free to reach out to us again. We're Here To Help!

      by|Sep 25, 2023
        caret
        Q:Why are there un-dissolved crystals left at the bottom of the pool after using product?hth pool shock
        by|Jul 10, 2023
        1 Answer
        Answer This Question

        A:  Manny, A few things can affect the dissolution rate of product including water chemistry that is out of balance, water temp and pum/filter system that needs some attention (filter clean/replacement, etc). You can also use your pool brush to brush up/stir up the granules that settle to keep them circulating better. Always test your water before adding any chemical. Your pH should be between 7.2-7.8 and the alkalinity should be between 60-120 ppm. This helps the chlorine work most efficiently and effectively. If you need any additional help, feel free to contact the HTH Consumer Engagement Team at 866-484-7665. Our product specialists will be Happy To Help resolve pool care issues. We're available M-F, 9 AM - 7 PM EST.

        by|Jul 10, 2023
          Showing 1-4 of 10

          Customer Reviews

          4.8 out of 5

          • 4.8 out of 248 reviews
          • 98% recommend this product
          Filter by:
          Showing 1-10 of 248 reviews
          Perfect for weekly use
          [This review was collected as part of a promotion.] The Advanced Shock Treatment is perfect for weekly use. With the high temperature shocking weekly is a must here in Arizona. The 1lb bag are just the right amount to help keep chemicals balanced and keep the water crystal clear.
          by
            Works fast and effectively :)
            [This review was collected as part of a promotion.] After weeks of dreary gloomy rainy weather my pool turned 50 shades of green- ugh. Not shocking weekly as recommended, not even keeping chlorine tabs in the floater because I just didn't care since we weren't able to swim anyway, big summer bummer set in. Finally the sun appeared and everyone wants to dip their toes again so in went the HTH Shock Advanced (following the instructions on the package) with fingers crossed and swimsuits ready. Our pool is about 6,000 gallons and normally I shock weekly with half a packet recommended for 10,000 gallons but last evening an entire packet was gently sprinkled across the green stinky water with the filter running. There IS a very strong chlorine fume at first so be sure not to take a big whiff or stand directly over the treated water very long. With sweet dreams of sparkling clear water we went to sleep hoping for the best and not really expecting to swim today BUT SURPRISE our water is clear!! Chlorine level was right at 4ppm so we waited until afternoon to jump in. So excited to enjoy what's left of summer in our pool, I really thought it would just get drained and taken down but HTH saved the day!! I've always trusted and used HTH chemicals in our pools, since childhood actually, but this was the first time I've dealt with the aqua/green mess...which in a way should tell you something - 40+ years of HTH caring for our pools and no green.
            by
              • Recommended
              Keeps the pool water clear
              [This review was collected as part of a promotion.] HTH Pool Care Shock Advanced works great to keep to keep the pool water clear. It's handy to have the resealable bag with slider guard. It's easy to add to the pool and helps reduce eye irritation. Great product!
              by
                • Recommended
                My pool has never been so clean!
                [This review was collected as part of a promotion.] We go through a lot of chemicals in our short season so buying a pack like this is perfect to keep my pool perfectly clean at all times. I noticed that this was the "Ultra" version and decided to go with it. Boy am I happy about that! my pool has never looked so crystal clear all year long! It's absolutely amazing! I have been getting complements all season and the ONLY thing that is different this year is using this shock. Highly recommend it!
                by
                  • Recommended
                  HTH for perfect disinfection
                  [This review was collected as part of a promotion.] I like to shock our pool during the midsummer months. HTH is a trusted name and have used their products for many years. Since we have owned pools! The shock not only provides the necessary disinfection, it also made the water super clear! I like the convenience of the individual bags per treatment. Very happy with this product! You can’t go wrong with HTH!
                  by
                    • Recommended
                    Shock
                    [This review was collected as part of a promotion.] Pool shock to help your pool looking the best!! I highly recommend everyone who has a pool to try this out my mom really loves all this stuff can’t wait to get my pool in for next yr!! Thanks so much tryit for sending all this to me!!
                    by
                      • Recommended
                      Shock works great!
                      [This review was collected as part of a promotion.] I love this shock because it makes my pool look beautiful and a gorgeous blue color. Easy to use, does not clump up. Spreads around the whole pool quickly. No cloudiness at all. I definitely recommend this shock to others. I will definitely use this product again.
                      by
                        • Recommended
                        Great Value
                        [This review was collected as part of a promotion.] I loved the HTH Pool Care Shock Advanced, came with several packages in one convenient bag, we poured it in the pool and it worked super fast especially after a good rain. Easy to handle a smaller nag then a tub and you have the exact measurement you need ready to pour in. Can be easily found in any store you are showing in with is a plus...
                        by
                          • Recommended
                          Convenient and Works
                          [This review was collected as part of a promotion.] Having a pool is a lot of work and requires a great deal of chemicals to keep the water from becoming cloudy and staying blue. Wisconsin does not provide us with a long pool season. So we defiantly try to get the most out of it. Having pool chemicals that are both convenient and clears up the cloudy water and brings out the blue water is a must. The HTH Shock advanced is easy to use. At night we open the package and pour into the pool over a wide area with the pump filter running and by morning our pool is clear and blue.
                          by
                            • Recommended
                            Pool shock!
                            [This review was collected as part of a promotion.] This pool shock arrived today and I am thankful! I really know nothing about pool supplies, but my aunt needed this and seemed impressed by the quality! So thank you! It's hard to find where we live, we usually have to order online for delivery.
                            by
                              • Recommended
                              Showing 1-10 of 248 reviews

                              Compare Similar Items

                              current item

                              Pool Chemical Type

                              Pool Shock

                              Pool Shock

                              Pool Shock

                              Pool Shock

                              Product Form

                              Granules

                              Granules

                              Granules

                              Granules

                              Product Weight (lb.)

                              1 lb

                              0.831 lb

                              1 lb

                              0.4375 lb