What is the best pool shock for vinyl liners to buy? Since there are hundreds of options on the market, it can be hard to know which one to choose. That is why we have made this post. We have reviewed nine of the best pool shocks for vinyl liners you can buy.

9 Top-Rated Pool Shock for Vinyl Liners
Here are the top choices right now.
1. HTH 52019 Super Shock Treatment
HTH 52019 is an excellent pool shock that helps you eliminate harmful bacteria or algae in your pool water. This product works by increasing the chlorine level in the water – which is inimical to these microorganisms.
The product is especially compatible with vinyl lined pools because no damage to the liners occurs when applied- thus, HTH 52019 is one of the best in this category. Whether you have a freshwater or saltwater system, you can rest assured that the item will take care of the water’s cleanliness.
Despite the quick action, it does not over stabilize the pool or fade the vinyl liner.
In addition to the sanitizing action, this product is a fast-acting pool shock that works in as little as 24 hours. It comes in a 1 pound bag that can treat up to 13,500 gallons of pool water.
2. Clorox Pool&Spa Shock XtraBlue
The next product is the Clorox XtraBlue Pool and Spa shock. If you are concerned that chlorine dispensers will adversely affect your vinyl liners, this is the right product. Although the Xtra Blue is highly damaging to contaminants, it won’t increase the pool water’s pH level or fade your vinyl liners.
The product has crystals to attack and eliminate any algae and bacteria in your water. Thus, you’ll have a pool that is safe and clean. Apart from eliminating these contaminants, the pool shock also acts to remove odors from your pool.
Use Clorox Xtra Blue to enjoy a clean pool and improve filter performance.
3. HTH 42033 Chlorinating Tablets
Shocking your pool is one of the best means to keep the water always safe and clear. If you own a pool with vinyl liners, then this product from HTH is just for you. The chlorinating tablets in the HTH 42033 contain Cyanuric acid and are designed to sanitize your pool water and protect you from several contaminants. Some of these contaminants are bacteria and algae. The product acts to clarify your water.
With a tablet, you can treat up to 10,000 gallons of pool water for one week.
4. In The Swim 3″ Pool Chlorine Tablets
Is your pool full of algae, bacteria, and other contaminants? Are you looking for a solution that would not affect your vinyl liners? If so, you should consider getting the In The Swim 3″ Pool Chlorine Tablets.
This pool shock treatment can help to clear up even heavily polluted waters, which is good news for your contaminated pool. The 3″ chlorine tablets dissolve slowly in the water and work quickly to make your pool clean and clear.
The size of the tablets makes for an ideal addition to your floater or automatic feeder. With a composition of 90% available chlorine, these tablets sanitize your pool for longer periods than the average chlorine tablets. With one tablet, you can clear up 10,000 gallons of pool water.
5. In The Swim Chlorine Pool Shock
This pool shock is one of the most popular options on the market: a testament to how effective it is in pools. The product’s formulation is powerful and removes contaminants quickly in the water.
The product is available in convenient 6 x 1 pound bags and provides a rapid chlorine boost when required. Additionally, this treatment contains 68% Calcium Hypochlorite, which aids quick sanitization and oxidation of the pool water.
A powerful chlorinated shock product, the In The Swim Chlorine Pool Shock can treat pools of up to 10,000 gallons of water with just a pound of the product.
6. Kem-Tek 2815-6 Chlorinating Tablets
If you seek an affordable pool shock treatment, then the Kem-Tek 2815-6 is one of the best options available. Despite the relatively low price, though, this is still a high quality product. The price is a reflection of the small container and not quality.
These tablets are excellent for pools with vinyl liners as they do not fade the liners. They contain around 95% of Trichloro-S-Triazinetrione, which works quickly to oxidize the pool water. They are simple to apply as you can administer them through your pool’s skimmer and feeder.
The tablets contain stabilized chlorine; hence, it works for seven a week even when exposed to sunlight. Whether you have a freshwater or a salt water system, you can rest assured that this product is compatible with your pool.
7. Clorox Pool&Spa XtraBlue Chlorinating Granules
The chlorine granules found in this shock treatment from Clorox are made to ensure a healthy pool for all. The small granules quickly dissolve in the water and act rapidly to make the pool clean and clear.
Due to the chlorine content, Xtra Blue granules kill all harmful bacteria and pool algae in a short period of time. As with similar products from Clorox, the product doesn’t just clean up your pool but also improves filter performance.
These multi-functional granules shock and sanitize the water while staying active even under the sun’s rays. You can add these granules via your pool skimmer or directly to the water.
8. Leisure Time RENU2 Renew Non-Chlorine Shock Treatment
Leisure Time RENU2 Renew is different from many shock treatments because of the non-chlorinated nature. Suppose you do not want chlorine in your pool. In that case, the oxidizers found in this pool shock can effectively eliminate any microorganisms, bacteria, algae, and other contaminants in your pool water. It also helps to remove any odor from your water.
The active ingredient in this product is Potassium Peroxymonosulfate. Leisure Time Renew special formulation helps to remove unsightly stains, scale, and film from the pool without damaging your vinyl liners.
9. Pool Essentials Shock Treatment
Last on our list is the Pool Essentials Shock Treatment. This fast-dissolving pool shock targets any contaminants in the water and eliminates them. Contaminants like sweat, urine, bacteria, and others are removed rapidly from your pool.
This product is an economic shock treatment that is compatible with all the pool types.
Application is easy since you can pour the product right into your water or use a skimmer. Either way, Pool Essential works well in the pool without damaging the vinyl liners.
Due to the chlorine concentration, this product can be used at all times of the day, even in the afternoon. You do not have to worry about sunlight affecting the effectiveness of the fast-dissolving Pool Essentials.
Conclusion
Swimming in your pool would be more enjoyable if the water is sparkling and clean. Shock treatment is a highly effective means of achieving a clean pool. We have reviewed the nine best pool shock for vinyl liners you can find right now. Choose any of the products depending on your preference, and you can rest assured of quick and effective pool shock treatment.
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