Pool Shock

What Is The Best Pool Shock

Pool Shock

Pool shocking has become an essential requirement for every pool owner. How often you keep your pool sanitized plays a vital role in your health and, as such, should not be ignored. Before you can achieve the cleanliness, you want, you need to know the best pool shock to buy in the market. So, what is the best pool shock to buy today? Here is an article to guide you through.

Top 10 Pool Shock to Buy in the Market Today

You need first to understand what needs to be bought and the quality that is best for you. There are so many brands in the market today, but how do we quantify what is fake and real? We are here to guide you through that and make sure you get the best from the market. Below are the top 10 best pool shock with quality features to give you maximum satisfaction.

1. HTH 42033 Super 3-inch Chlorinating Tablets for Swimming Pools, 5 lbs.

The HTH Super 3 inches chlorinating tablets are synthesized to clean and protect your pool from bacteria. The tablets are formulated to protect your pool against chlorine loss because of the sun. The chemical composition of these tablets makes it perfect in protecting your pool against algae and bacteria.

Tablets can be added to floaters, feeders, or to the skimmer basket to improve the purity of your pool. The HTTP chlorinating tablets have a slow dissolving rate, thus giving you a longer sanitizing period. Very effective that one tablet sanitizes 10 000 gallons of pool water for a whole week. They are great for saltwater pools as well as for vinyl liners.

2. In the Swim 3″ Inch Pool Chlorine Tablets – 10 Pounds

The In The Swim 3″ is one of the best you can get in the industry, and it is perfect for algae treatment. This is because of the chemical composition that makes it retain its quality even in unfavorable conditions. The structure and size of these chlorine tablets make it fit for your floaters and automatic feeder. 

Its thick nature makes it dissolve slowly in water, which allows it to keep your pool clean from germs for a long time. A combined effect of 90% available chlorine and 99% Trichloro-S-Triazinetrione. The tablets are stabilized to withstand UV rays, giving you a long-lasting effect. One or two of these 8 oz tablets can be added to your pool to treat 10,000 gallons of water effectively.

3. In The Swim Chlorine Pool Shock – 6 X 1 Pound Bags

This powerful chlorine is suitable for treating your pools from any harmful contaminants when used regularly. Perfect for green water bacteria and algae treatment to give you a cleaner pool to enjoy. It is composed of 68% available chlorine, which contains 99% Calcium Hypochlorite (Cal-Hypo) for quick effect. 

Specially formulated to sanitize pools of all kinds even for above ground pools, easy to use, and one bag can treat 10,000 pool of water. Your weekly chlorination can kill most pathogenic bacteria even to the microscopic pathogens that hide beneath the water.

One pound will raise your chlorine level and balance your pool to 9ppm per 10,000 gallons. However, pools with higher concentrations of impurities and black algae will need a higher proportion to compensate for such. You will also require a higher percentage if you live in areas with heavy sunlight.

4. Clorox Pool & Spa XtraBlue 3″ Long Lasting Chlorinating Tablets 12 lb.

The Clorox XtraBlue goes the extra mile to keep your pool shining and free from germs all day long. Giving you the perfect and delightful swimming activities you deserve. These powerful multi-purpose chlorinating tablets are formulated with high-grade chemicals. These chemicals are designed to keep your pool away from harmful bacteria and algae. 

The product also protects the walls of your pools and surface from corrosion with conditions added to the product to make your water feel silky smooth. It can be applied to your skimmer and feeders. And the slow dissolving rate helps to keep your chlorine level 1-4 ppm. 

5. Leisure Time 22337A Spa 56 Chlorinating Granules for Hot Tubs, 2 lbs.

Fast-dissolving chlorinating granules perfect for purifying your Spas and hot tubs. It is specially formulated for hot tub and Spas to keep them clean from algae and other forms of bacteria. The product does not upset water or cause abnormality in water pH. 

It composes of well-stabilized granules for those living in hot weather conditions to help them maintain chlorine level. The granules dissolve quickly and completely in your pool to avoid granules circulation, which might bleach your liners. 

It is affordable and acts efficiently, even tougher jobs, even for black algae. Most pool owners prefer this. They get an affordable and effective product at the same time.

6. Rx Clear 1-Inch Stabilized Chlorine Tablets

Rx Clear comes in 8 lbs in a well-sealed and preserved container which can be easily opened and used. To maintain a clear pool, add 7 tablets to your skimmer and allow the flow pump to dissolve and distribute it evenly. The seven tablets are capable of treating 2500 gallons of pool water effectively.

It has a long-lasting effect because of its 90% available chlorine and 99% Trichloro-S-Triazinetrione. It is affordable with the best quality compared to the most expensive products in the market. For the money, many pool owners will go for this. You gain all shocking attributes and as well a cheap product. Trust Rx Clear chlorine tablets to give you that free-algae and bacteria pool.

7. Clorox Pool & Spa XtraBlue Chlorinating Granules, 6 Pounds

All-in-one chlorinating XtraBlue granules can give you the crystal-clear pool that is free from bacteria and pathogens. These super-active multi-functional chlorine granules act as a shock and sanitizer to improve the quality of your water.

It is formulated to retain its chlorine properties when exposed to the sun while being tough, even on strong bacteria. Enjoy your pool with a product that has been trusted and tested by many. It can be added through skimmer or directly in the water to keep your pool chlorine level at 1-4ppm. The product can improve the performance of your filter and reduce pool odor.

8. Pool Essentials Shock Treatment

Pool essentials is an economical pool shock for both above-ground and in-ground pools designed for easy and weekly application. So powerful that a bag can treat 10,000 gallons of pool water without leaving any sign of algae or bacteria. However, an additional proportion may be required when there is a massive sunset. Also, with a rainy period and pools with a high concentration of bacteria and algae

It can be applied to the deep end of your pool at any time of the day. But the pump must be running for even circulation if the chemical. It can also be paired with other chlorinating tablets for effective results. The fast-dissolving properties make it perfect for pools with a vinyl liner.

9. SpaGuard Oxidizer Enhanced Shock for Spa and Hot Tub

This four-in-one shock helps to clarify, shocks, flocculent, and pH buffer your Spa and Hot tub. This product is formulated to give your pool a bright crystal appearance. At the same time, it also removes all bacteria and algae present in your pool.

Fast and competent to clean your pool in 15 minutes. You do not need to waste time to dive into your pool anymore. And the pH buffer helps to prevent changes to the pH balance.

It is formulated to be compatible with chlorine or brominated spas. And perfect for those using ozone and ionization system. It contains 58.2% Sodium Dichloro-s-Triazinetrione and may require an additional application to boost the chlorine level.

10. HTH 67020 Alkalinity Up Balancer for Swimming Pools, 5 lbs.

The ideal function of the product is to balance the alkalinity of your pool water. Your pool needs to maintain an alkaline between 80-120ppm. If you test your pool and the alkaline level is below 80ppm, add some quantity of this product to buffer the pool. It can be used on vinyl liner pools and saltwater pools.

This product was developed to meet all consumer’s needs, both economically and satisfaction in quality. The product is formulated to withstand and treat any tough germs present in pools. Say no to algae and bacteria. Get cleaner water without a side effect of eye irritation caused by other products. Apply directly to your pool and can be used with other HTH products to improve performance.

Things to Consider Before Buying a Pool Shock 

There is nothing worse than buying a fake pool shock or pool shocks that are not effective enough to give you the satisfaction you deserve. We have provided product reviews of 10 best pool shocks to get in the market. Here are buying guides to make sure you get the quality out of your investment.

The Dissolving Rate: Some pool shocks can either be fast or slow in dissolving. How slow your pool shock dissolves in water makes the chlorine content last longer. If your pool shock dissolves fast, it also means it will not concentrate beneath your vinyl liner to bleach the material. The type of pool and method of application is a determinant factor in what kind of Shock to use. If you are applying your shock to your feeders or skimmers, you would need a pool shock that dissolves slowly.

What Additive is Used: It is not possible to get a pool shock that is addictive free. Most manufacturers add other forms of chemicals to make them more active. Some of these chemicals can pose a threat to your pool water. However, it is recommended you choose products that have little external compounds added to it. 

The Chlorine Level: The presence of chlorine in your is what keeps it sanitized. If you have a shock with low chlorine content, in no time, your pool will be exposed to bacteria and algae. If you have a shock with a high amount of chlorine, it means the shock can protect your pool for a long time until the next chlorinating period. Before you buy a pool, make sure to check the percentage of available chlorine.

Stabilized: A stabilized chlorine makes your shock compound retain its chemical properties when exposed to UV light? Some chlorinating products are stabilized, while others are not. Make sure you get a stabilized shock, especially those living in harsh weather conditions.

The Alkaline Content: Alkaline substance acts as a buffer in pool waters, inhabiting changes in pH. The recommended level in pool water is between 80-120ppm. When pool waters alkaline level falls below this, it is expected to raise it. The only way to do that is to include chlorinating tablets in the pool with high alkaline content. So, you would need to factor that out while purchasing a pool shock

Frequently Asked Questions

Q: How Many Gallons of Liquid Chlorine to Shock a Pool?

To shock a pool of 10000 gallons, use 2 pounds of shock. This should increase the chlorine level of your pool by 10ppm. If you have twice the pool size, double the shock.

Q: How Often Should You Shock a Saltwater Pool?

It is recommended you shock your pool 1-2 weeks to maintain a high chlorine level to kill available bacteria. If you have a saltwater pool, you may need to shock it regularly if your chlorine level drops

Q: What is Pool Shock Made of?

 There are different types of pool shock available in the market today. Some are made with calcium hypochlorite popularly known as cal-hypo. We also have some made with sodium di-Chlor or di-Chlor. Others are made of potassium monopersulfate or non-chlorine/oxidizer. 

Q: How Much Shock to Use in Pool?

For sodium hypochlorite with 12.5% available chlorine, add 10 oz for every 10,000 gallons of water. This will help boost the chlorine level to 1ppm. For calcium hypochlorite, use 1 pound for every 10,000 gallons of water.

Q: Why Shock a Pool?

Shocking pools is a healthier way of enjoying your pool. It helps eliminate bad odors and kill germs and bacteria, giving you a crystal-clear pool free from irritation.


Pool shocking does not only make your pool look nice for diving, but also essential for your health. So, if you need to maintain that good health while swimming, you need the best pool shock treatment. With the above critically reviewed products, be rest assured you are getting a product to serve you the best.