Best Granular Pool Chlorine of 2025

Get your swimming pool sanitized and crystal clear with In The Swim Chlorine Granules. These fast-acting Calcium Hypochlorite granules provide a minimum of 65% available chlorine for immediate results. The non-stabilized formula is perfect for super shocking or everyday use and can be used in swimming pools, spas, and hot tubs. With the ability to clear cloudy or dull water, you can enjoy a clean and healthy swimming experience. Must pre-dissolve or dilute to prevent bleaching of the liner.

Keep your swimming pool, spa, and hot tub clean with AQUA-ORG PLUS Calcium Hypochlorite granules. With 65% concentration, these granules are perfect for immediate and dramatic results in cleaning and clearing cloudy water. The product is US EPA registered and approved biocide, making it safe for use. Use it to get rid of algae, bacteria, and other contaminants in your pool.

Rx Clear Chlorine Granules provide an effective solution for keeping your swimming pool or spa crystal clear and safe. With 99% sodium dichlor, this product ensures a gentle swimming experience without harsh effects on your skin. It also features a built-in stabilizer that protects it from UV light, allowing it to last longer than other chlorine options. The granules dissolve quickly, making it easy for you to maintain optimal water quality with just 1 ounce per 5,000 gallons daily. Plus, being pH neutral means you’ll spend less time adjusting chemicals and more time enjoying your pool.

Refresh Pool Shock is an effective solution for keeping your swimming pool clean and clear. With its high concentration of 68% active granular chlorine, it delivers powerful results in killing bacteria and algae. This fast-acting formula ensures that your pool water becomes crystal clear in no time. It’s versatile enough for all pool types, whether you have vinyl, fiberglass, or plaster. Plus, as a trusted brand in pool maintenance, Refresh provides you with peace of mind that you're using a reliable product for a healthy swimming environment.

In The Swim Chlorine Granules are designed for effective sanitization of swimming pools, spas, and fountains. This powerful powder eliminates bacteria and contaminants, ensuring your water remains clean and safe. With a calcium-free formula, it helps maintain clarity in hard-water pools, preventing any cloudiness. The granules contain a high concentration of stabilized chlorine, making them a reliable choice for quick disinfection. You can count on these fast-dissolving granules to keep your water sparkling, providing you with peace of mind during your swim.

Leslie's Chlor Brite Pool Shock is a quick-dissolving concentrated chlorinating granular that is perfect for all types of pools and spas. Whether you need to shock your pool or perform everyday chlorination, this product has you covered. With its powerful formula, it effectively kills bacteria and algae, ensuring that your pool or spa is clean and safe to use. The best part is that it leaves no residue or bleaching on pool and spa interior surfaces, so you can enjoy crystal clear water without any unwanted side effects. Get Leslie's Pool Shock and experience the convenience and peace of mind that comes with a reliable pool sanitizer.

Leslies Chlor Brite Sanitizer is a quick-dissolving concentrated chlorinating granular that is perfect for all types of pools and spas. It leaves no residue or bleaching on pool and spa interior surfaces. This product is stabilized with a UV inhibitor to prevent chlorine burn-off. Its quick-dissolving feature makes it easy and convenient to use, and the concentrated formula ensures that you only need a small amount to keep your pool or spa clean and clear. Additionally, with its UV inhibitor, you can be sure that the chlorine will last longer, saving you time and money in the long run. Finally, this product is safe to use and will not harm your pool or spa equipment.

EZ POOLS Pool Shock is designed to provide fast and effective cleaning for your pool. Its quick-dissolving formula ensures that you can achieve crystal clear water almost instantly after application. As a powerful shock treatment, it effectively removes organic contaminants, bacteria, and algae, making your swimming experience safe and refreshing. You’ll appreciate how quickly it tackles harmful substances, allowing you to enjoy your pool without worry. This product is your go-to solution for maintaining a healthy pool environment, ensuring that every swim is a rejuvenating experience.

Leslies Chlor Brite is a multi-use granular chlorine bucket that dissolves quickly in water. This 99% sodium dichloro-s-triazinetrione blend is perfect for chlorination or shock. Unlike other chlorine products, it doesn't bleach or leave any residue on your pool. With Leslies Chlor Brite, you can keep your pool clean and clear without any hassle. Its quick dissolving feature saves you time and effort, making it easy to maintain your pool. Additionally, its multi-use feature allows you to use it for various purposes, making it a versatile and practical product for pool owners.

Clearview Di-Chlor Chlorine is designed to effectively manage bacteria and algae in your swimming pool. With a high active ingredient concentration of 99% sodium dichloro-s-triazinetrione-dihydrate and 55% available chlorine, you can trust it to keep your pool water clean and safe. For optimal results, apply it directly to the pool's circulating water as recommended. It’s particularly useful during hot weather, heavy pool use, or after rain, ensuring your pool remains clear and inviting. Regular shock treatments help maintain a healthy swimming environment, giving you peace of mind while enjoying your pool.