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In The Swim Sodium Dichlor Chlorine Shock Granules for Sanitizing Swimming Pools – Fast Dissolving, pH Balanced Sanitizer - 56% Available Chlorine, 99% Sodium-Dichlor – 25 Pound
Purchase options and add-ons
Brand | In The Swim |
Item Weight | 28 Pounds |
Item Form | Gallons |
Product Benefits | Contaminants,Destroys Bacteria,Kills Algae |
About this item
- In The Swim's granular chlorine is ideal for use in swimming pools, spas, fountains and water features
- Powerful sanitizing powder that destroys bacteria, breaks down contaminants and kills algae
- Calcium-Free formula keeps hard-water pools sparkling clean and crystal clear
- Contains premium-quality 56% available stabilized chlorine
- 99% Sodium Dichloro-S-Triazinetrione Dihydrate.
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This Item In The Swim Sodium Dichlor Chlorine Shock Granules for Sanitizing Swimming Pools – Fast Dissolving, pH Balanced Sanitizer - 56% Available Chlorine, 99% Sodium-Dichlor – 25 Pound | Recommendations | dummy | dummy | dummy | dummy | |
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Price | -5% $169.99$169.99 List: $178.09 | -20% $55.99$55.99 Typical: $69.99 | -14% $49.05$49.05 Typical: $56.79 | -27% $55.95$55.95 List: $76.99 | -17% $9.12$9.12 List: $10.99 | $39.99$39.99 |
Delivery | — | Get it as soon as Tuesday, Mar 26 | Get it as soon as Tuesday, Mar 26 | Get it Mar 29 - Apr 1 | Get it as soon as Tuesday, Mar 26 | — |
Customer Ratings | ||||||
Easy to use | 4.5 | 3.9 | 4.6 | — | 4.5 | 4.7 |
Value for money | 3.9 | 3.6 | 4.1 | — | 4.2 | 4.4 |
Sold By | In The Swim Pool Supplies | MAV Aqua Doc | Amazon.com | Lindsay Says | Amazon.com | In The Swim Pool Supplies |
form | Gallons | Granular | Powder | Granular | Granular | — |
weight | 28 pounds | 5 pounds | 1 pounds | 8.9 pounds | 5 pounds | 7.3 pounds |
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From the brand
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In The Swim was founded in 1982 by a husband and wife team. Shipping chlorine from the back of their garage and taking orders on their front porch, they began to have a vision that this could be something big.
40 years later, In The Swim remains one of the country's largest online retailers for pool chemicals, supplies and equipment. Thanks for shopping with us!
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Product Description
In The Swim Sodium Di-Chlor Chlorine Granular
Swimming pool shock treatments are an essential aspect of spring pool opening but can also be used to give your pool a quick chlorine boost. Sodium Di-Chlor Chlorine Granular is a strong pool shock treatment which is used to kill algae and bacteria as well as other harmful water contaminants. It is also a great shock to use for Spring pool openings.
Use our Sodium Di-Chlor Chlorine Granular to kill visible algae blooms and invisible bacteria, which could cause illness to swimmers. Your daily chlorination of the pool will kill most bacteria and other contaminants. To be sure that the water is completely sanitary, it is best to super chlorinate by shocking the pool every few weeks. Doing this also allows you to oxidize everything in the water, especially the various contaminants that may exist in the water.
Essential to a Proper Maintenance Schedule
- Powerful quick-dissolving chlorine shock treatment that is great for regular maintenance
- 99% Sodium Dichloro-S-Triazinetrione Dihydrate (Sodium Di-Chlor) ; Minimum of 56% available chlorine
- Does not contain calcium and is pH balanced
- Dosage: 1 Pound per 10,000 gallons
In The Swim's Recommended Pool Care
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Pool Care and MaintenanceIt is important to maintain your pool/spa to keep it clean and healthy all year round. Good habits, such as cleaning your filter or emptying your skimmer basket, will ensure that your investment is protected for years to come. But most importantly, you and your family will be able to enjoy the swimming pool or spa each season. |
Water TestingTesting the water weekly or bi-weekly, depending on use and outside variables, helps keep your pool/spa water healthy. Utilizing a DPD or OTO reagent-based water test kit, test strips, or digital testing will help you monitor the pool or spa water chemistry. |
Adjusting and BalancingAdjusting and balancing your pool or spa water chemistry ensures that you will get the most out of the swimming season. The benefit of having good pH and Alkalinity levels is that it will increase the ability of your main sanitizer to kill bacteria. Balanced pool water chemistry will also reduce chemical and maintenance costs. Balanced pH and alkalinity help prevent corrosion and scale formation on the interior pool surface and surrounding equipment. |
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SanitizingThere are many different types of sanitizers used in various pool and spa environments. Clean and healthy water starts by establishing a proper residual chlorine level with shock or concentrated granular chlorine. The most common way to maintain a proper chlorine level is by using trichlor chlorine tablets in either a floater or chemical feeder. Applying these steps to your normal maintenance plan will ensure the elimination of non-living organic contaminants, bacteria, micro organisms, and algae making your water safe to enjoy. |
Pool Fun and SafetyNow that the water is properly balanced and sanitized, it’s time to get in there and have some fun! We recommend enhancing your outdoor living environment with games, floats or loungers, toys, and accessories. Get creative! Safety is of the utmost importance, and there are many ways to help make your pool/spa safer. Having a life ring buoy, a shepherd's hook, depth markers, coast guard-approved life preservers, door and water alarms and having your local aquatic environment safety regulations on-hand will ensure a fun and safe environment for your family. |
TreatmentEven after all your preparation, sometimes life happens and your pool or spa can get away from you. In those moments, we need to start back from the beginning with testing of the water. Now that you have a clear idea of the current readings, your next steps will depend on the type of symptoms your water is presenting. This may include an issue such as algae (green, yellow, black, etc.), cloudiness, living organics, debris, and other water conditions. |
FAQ's
- Q: What is the chemical make-up of In The Swim Sodium Di-Chlor Granular?
- A: In The Swim Sodium Di-Chlor Granular is 99% Sodium Dichloro-s-triazinetrione dihydrate (Sodium Di-Chlor) with a minimum of 56% available chlorine and 1% other ingredients.
- Q: How much In The Swim Sodium Di-Chlor Granular do I use a week?
- A: Using Sodium Di-Chlor Granular as a weekly maintenance shock you would use 1 pound per 10,000 gallons. Using Sodium Di-Chlor Granular as an algae killer you would use around 2 pounds per 10,000 gallons until the algae dies and algae is vacuumed out of the pool.
- Q: How do I dispense In The Swim Sodium Di-Chlor Granular?
- A: Add the recommended dosage of this product during the evening hours while the filter pump is running. When adding In The Swim Sodium Di-Chlor Granular to your pool, broadcast the product evenly over a wide area in the deepest part of the pool. If any granules settle to the bottom of the pool, use a brush to properly disperse.
- Q: Will In The Swim Sodium Di-Chlor Granular raise my cyanuric acid level (CYA) in the water?
- A: Yes, In The Swim Sodium Di-Chlor Granular does contain stabilizer (cyanuric acid), so it will increase the cyanuric acid level in the water.
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Product information
Product Dimensions | 13.7 x 13.5 x 12.2 inches |
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Item Weight | 28 pounds |
Manufacturer | In The Swim Discount Pool Supplies |
ASIN | B002WKO8H2 |
Item model number | C4025 |
Customer Reviews |
4.5 out of 5 stars |
Best Sellers Rank | #8,724 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #72 in Swimming Pool Chlorine |
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the ease of use, performance, and value of the pool spa water treatment. For example, they mention it works great for maintaining clarity, and is great value for money. Opinions are mixed on cleanliness and quality.
AI-generated from the text of customer reviews
Customers like the performance of the pool spa water treatment. They mention that it works great for maintaining clarity, and gets better results. Some say that the product is awesome and works fine for their pool. Overall, most are satisfied with the performance and recommend it to others.
"...I'm using less of this, less often, and getting better results. It lasts longer, and is far more stable...." Read more
"...Makes for keeping the pool crystal clear, super easy." Read more
"With chlorine prices going up, this product is great. I try not to buy mixed chlorine as it can negatively affect your pool. Just wish it was cheaper." Read more
"Works well pool clear and looks great" Read more
Customers like the value of the pool spa water treatment. They say it works as well as more expensive brands and is a good product that works as intended.
"Great value. Worked just as well as granules from local pool supply store, at a much lesser cost." Read more
"Excellent product for the money!" Read more
"Works as described. Good price" Read more
"...So I say that's fine just give me my money back because it's insanely overpriced and pictured wrong...." Read more
Customers find the granulated chlorine easy to use, with no mess and quick setup.
"...Makes for keeping the pool crystal clear, super easy." Read more
"Easy to use. Kept our pool levels good." Read more
"Easy to use, good product!" Read more
"Easy to use." Read more
Customers are mixed about the quality of the pool spa water treatment. Some mention it works great, is stronger than they thought, and is a great deal for the price. However, others say that it didn't seem very strong, has questionable quality, and just doesn't last long.
"Mostly happy with purchase but many of the tablets were broken into several chunks...." Read more
"...I'm using less of this, less often, and getting better results. It lasts longer, and is far more stable...." Read more
"...All of the pucks are crushed and broken. Just a mess to open and use. They also changed the clear bags and most aren't sealed or have busted open." Read more
"Delivered in good shape and is a great deal for the price...." Read more
Customers are mixed about the cleanliness of the pool spa water treatment. Some mention that it keeps their pool clean and sparkling, while others say that it's diluted and can barely keep their pool clear.
"Much cheaper than buying local and keeps my pool sparkling clean" Read more
"Pool water had turned green after using this it cleared up quickly" Read more
"Keeps pool clean!..." Read more
"...usually last me a year but this brand is so diluted I can barely keep my pool clean and i’ve gone through most of the bucket in about a month and a..." Read more
Customers are mixed about the chlorine level of the product. Some mention that it works well and does the job in their hot tub, while others say that the levels were a little low and they're always battling to keep them stable.
"...Sure, the chlorine levels were a little low, but I've still got a nice clear water and no smells...." Read more
"Good quality, good value. Chlorine - works well. Test pool regularly. Large barrel, will last a long time unless you have a very large pool...." Read more
"...I feel like I’m always battling to keep chlorine levels stable when I use this product." Read more
"As listed, fast delivery, good bucket, easy to open. Does the job in our hot tub." Read more
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Top reviews from the United States
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So, I expected this to be bottom barrel stuff considering the price and what I got was a product that works in my hot tub much better than Leisure Time did. I'm using less of this, less often, and getting better results. It lasts longer, and is far more stable. I'm no chemist, or pool/spa professional, but I can tell you that I'm using this less, it smells more like a spa/pool smell and feels better in the water. With Spa 56, if I missed a day late or two from the usual treatment regiment routine, it would cause an unbalance. Spa 56 was very unstable, it seems. I was just so used to using it, I never noticed. If I was 2 days late, usually my tub would start smelling like old socks. I have been 3 days late with this already and the test strips all still read fine. Sure, the chlorine levels were a little low, but I've still got a nice clear water and no smells.
Maybe its not the right fit for everyone, so I won't sit here and tell you to stop using what you're using and get a 40 lb tub of this, but if you want to grab a smaller portion and give it a go, you may be pleasantly surprised. Based on the rate I'm using this, I'm looking at a good decade or more off this one bucket.
Reviewed in the United States on August 18, 2023