Best Pool Chlorine for Swimming Pool of 2025

HTH Chlorine Tabs are advanced, individually wrapped tablets designed to protect your swimming pool and swimmers with one easy, convenient tablet. This product is a sanitizer, clarifier, and algaecide that sanitizes, clarifies, and kills algae for crystal clear water all season long. The slow-dissolving, long-lasting formula is sun-protected for longer chlorine life and lasts up to one week. HTH Chlorine Tabs are compatible with all pool types, including vinyl-lined pools and saltwater systems, and can be used in a floater, feeder, or skimmer basket. For best results, use HTH 6-Way Test Strips twice weekly to test and balance your swimming pool water and keep chlorine levels between 1 and 4 ppm.

XtremepowerUS Chlorine Tabs are a top-quality solution for your pool sanitation needs. Made with 99% Trichloro-S-Triazinetrione, these tablets are highly effective and ready to use in various dispensers. You’ll appreciate the convenience of fewer tablet changes, as each one can help save about 5,000 gallons of water. Plus, their versatility means they’re suitable for swimming pools, hot tubs, and even toilets. With built-in UV protection, these long-lasting tabs ensure that your pool remains clean and clear for longer periods, reducing the frequency of maintenance.

HTH Pool Care 1" Chlorine Tabs are a chlorine-based sanitizer that kills bacteria and algae in swimming pools. These slow-dissolving tabs are sun-protected for a longer chlorine life, and are compatible with all pool types. Customers appreciate the convenience of not having to open each individually wrapped tab, and the product's ability to keep chlorine levels correct.

Keep your swimming pool water clean and sanitary with In The Swim Chlorine Tablets. These powerful tablets contain 99% Trichloro-S-Triazinetrione and 90% available chlorine, making it one of the strongest products on the market. The slow-dissolving formula ensures longer-lasting sanitation, saving you both time and money. These 3-inch tablets are individually wrapped for easy use and are sun-stabilized for increased longevity in outdoor swimming pools. Avoid inconsistent chlorination with our tablets, which work great in chlorine floaters and automatic chlorine feeders. Balanced pH and alkalinity levels help with the effectiveness of pool chlorine in the water. Trust In The Swim's over 40 years of experience in making and selling chlorine tablets for clear, clean, and safe water.

Clorox Shock Clear offers a powerful 4-in-1 formula that effectively eliminates bacteria while keeping your pool's pH balanced. It quickly clears cloudy water, making your swimming experience more enjoyable. You will appreciate the fast-acting formula that allows you to treat your pool and be ready to swim in just 15 minutes. This product is safe for all pool surfaces, including vinyl and fiberglass, ensuring compatibility with your pool type. Regular use can enhance filter performance, helping you maintain a clean and inviting swimming pool.

C3 3'' Stabilized Chlorine Tablets are 99% Trichloro-S-Triazinetrione with 90% Available Stabilized Chlorine. These tablets are individually wrapped and excellent for floating feeders, skimmers and automatic chlorinators. Due to state regulations, this item can only be shipped to AZ, CA, CO, CT, DE, FL, GA, IL, IN, KY, MA, MD, MI, MO, NC, NJ, NY, OH, OK, PA, TX, VA, WI.

Clorox Shock XTRABLUE offers a powerful 6-in-1 formula designed to keep your pool water clear and free of bacteria and algae. By using this shock treatment, you can enjoy crystal-clear water without the worry of algae growth. The product works quickly, allowing you to treat your pool and jump in just 15 minutes. It's compatible with all pool surfaces, ensuring that you can maintain your pool's health regardless of its material. For best results, use 1 lb. for every 12,000 gallons and shock your pool weekly or after heavy usage, high temperatures, or rain.

Clorox Pool&Spa Chlorine Stabilizer is a 4lb chlorine stabilizer that helps prolong the life of chlorine, reduces the sun's impact on chlorine, and is ideal for salt pools, new pools, and pools that use liquid chlorine. The use of Clorox Pool App is recommended for best results.

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.

The C3 Chlorine Tablets are designed to keep your swimming pool or spa clean and safe. With a slow-dissolving formula, each tablet ensures long-lasting chlorine levels, helping to maintain water clarity and quality. The inclusion of cyanuric acid protects the chlorine from being depleted by sunlight, allowing your pool to remain cleaner for longer periods. These tablets are easy to use, as they come individually wrapped, making it simple for you to add them to your pool’s chlorinator. One tablet can effectively sanitize up to 10,000 gallons of water, providing you with a hassle-free solution for pool maintenance.