Best Kills Germs Swimming Pool Chlorine in 2026

Keeping your swimming pool water clean and sanitary is one of the most important steps for pool maintenance. Let In The Swim’s 3 inch chlorine tablets for pools help. With a powerful active ingredient and slow dissolving formula, our chlorine tablets will keep your swimming pool water sanitary longer, saving you time and money.

Chlorine tablets contain 99% Trichloro-S-Triazinetrione (Trichlor) and 90% available chlorine, making it one of the strongest products on the market. Each 3 inch chlorine tablet is sun-stabilized which increases longevity in outdoor swimming pools.

Pool chlorine tablets help you avoid inconsistent chlorination, which is a common occurrence when using granular or liquid chlorine to sanitize a pool. Keeping your pH and alkalinity levels balanced helps with the effectiveness of pool chlorine in the water.

BENEFITS: Sanitizes and protects your pool water so you can enjoy swimming in clean and clear water all season long

USE: Place a tab in pool skimmer, floater, or feeder for simple, DIY pool care; 1 tablet treats 10,000 gallons of water for up to a week

COMPATIBILITY: Vinyl-lined pools and saltwater systems

Powerful chlorine shock treatment that is great for regular maintenance

Quickly eliminates algae, bacteria, and other harmful contaminants from your pool water

Main active ingredient is 68% Calcium Hypochlorite (Cal-Hypo) for quick sanitizing

Helps chlorine last longer

Reduces sun's impact on chlorine

Perfect for salt pools, new pools and pools that use liquid chlorine

24 bags (1-pound each)

Fast-Acting Quick-Dissolving Swimming Pool Sanitizer

Kills bacteria, controls algae, and destroys organic contaminants in pools

CLEAR WATER FOR SAFE SWIMMING - Swimming in crystal clear water does not mean your skin has to suffer. The granular chlorine is 99% sodium diclor making a relaxing swim not as harsh.

LONG LASTING - Dichlor resists UV light, lasting longer than other types of chlorinating supplies due to built in stabilizer for your swimming pool, hot tub, or spa.

DISSOLVES QUICKLY - Add 1 oz of this cleaning chemical to your pool for every 5,000 gallons your pool contains, daily for the best quick water treatment maintenance.

Product Does Not Cloud Pool

Ready To Use, No Mixing Required - Great Choice for Pool Closings

Perfect For Pressure Washing, Sanitation & Other Related Uses

Protects against algae and bacteria for water that stays clean, clear and free of visible algae

Kills all types of pool algae and kills bacteria

Protected against sunlight to last longer

BENEFIT: Protect your swimming pool and enjoy clean, clear water with these easy-to-use chlorine-based tabs; Kills algae and bacteria

CLEAN, CLEAR WATER: HTH Chlorine Tabs keep water clear while protecting against bacteria, algae and other organisms

SLOW DISSOLVING, LONG LASTING: Sun protected for longer chlorine life, HTH Chlorine Tabs dissolve slowly and last up to one week

Controls algae

Kills bacteria

Prevents corrosion and scale

BENEFIT: Protect your swimming pool and enjoy clean, clear water with these easy-to-use chlorine-based tabs; Kills algae and bacteria

CLEAN, CLEAR WATER: HTH Chlorine Tabs keep water clear while protecting against bacteria, algae and other organisms

SLOW DISSOLVING, LONG LASTING: Sun protected for longer chlorine life, HTH Chlorine Tabs dissolve slowly and last up to one week

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

BENEFITS: Sanitize, clarify, and soften the water in your swimming pool so it is always ready for fun

USE: Apply directly to pool water, broadcasting it evenly over a wide area in the deepest part of the pool; Add granules while filter pump is running during the evening; Use clean, dry scoop only used for this product

COMPATIBILITY: Chlorine and saltwater systems

First Class USA Based Customer Service Included - US manufacturer located in Long Island, New York. We provide LIFETIME REPLACEMENT WARRANTY - It’s simple, we will treat you the way we want to be treated. You have nothing to lose. If you are not fully satisfied, we will make it up to you with a replacement or refund.

Standard Capacity up to 35,000 gallons - Enjoy Beautiful, Turquoise Clear Pool Water - by employing the magic of our Solar Pool Maid Ionizer. It is powered by the Sun, no batteries needed. Reduce the amount of chlorine and chemicals up to 85%. Just throw it into the pool and let it float, it will do the work for you.

Saves You Money And Time - Our solar-powered water purifier will save you money on buying harmful chemicals and additives to use in your pool. Your pool equipment will be happy too and will last longer, saving you money as well. Finally, you can enjoy more time relaxing by the pool than brushing and cleaning it.

Long-Lasting Chlorine Tabs: Each tab is pre-stabilized against the sun's UV rays to prevent premature chlorine burn-off, making them last longer

Active Ingredients: Our pool tablets are pro-grade made from 99% Trichloro-S-Triazinetrione and 90% stabilized chlorine

Safe for the Family: Each bucket has a childproof locking lid for safety. Each 3 inch chlorine tablet for your pool comes individually wrapped to minimize odor, dust and skin contact