Best Pool Rx in 2026

Updated Formula-3 Active Ingredients

Eliminates all types of Pool Algae

Reduces chemical demand

Simply place in pump basket or skimmer basket

Eliminates all types of Algae

Reduces Chemicals

Simply place in pump basket or skimmer basket

Eliminates all types of Algae

Reduces Chemicals

Additional minerals for Pool Rx pool unit

Effective for up to 6 months

Eliminates all types of algae

6 month algaecide

Eliminates all types of algae

Reduces chemical demand

Simply place in pump basket or skimmer basket

Eliminates all types of Algae

Reduces Chemicals

New formula with 3 active Ingredients

Eliminates all types of Pool Algae

Reduces chemical demand

Additional minerals for Pool RX+ pool unit

Eliminates all types of Pool Algae

Reduces chemical demand

Additional minerals for Pool RX pool unit

Eliminates all types of Pool Algae

Reduces chemical demand

BENEFITS: Increases the chlorine level in swimming pools to kill bacteria and algae to keep your pool water clear and ready for fun all season long

USE: Apply directly to pool water as needed; Test pool water and shock weekly to keep free available chlorine levels between 1 and 4ppm

COMPATIBILITY: Effective for all swimming pool types including pools with liners and Gunite pools, and saltwater pool systems

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.

Super Start-Up Kit up to 30,000 Gallons Includes: 2 qts. Stain Away for Swimming Pools

1 qt. Clarifier for Swimming Pools

4 x 1 lb. Pool Shock Bags

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.

Concentrated Formula - Only 1 oz. treats 5,000 gallons

Clears cloudy water fast & prevents future hazy appearance

Effective at varying temperature levels & range of chemical levels

ENJOY YOUR POOL & SPA: Keep your water clean, healthy, and enjoyable with our 7-in-1 test strips for pools and spas that test your water for hardness, chlorine, bromine, free chlorine, pH, cyanuric acid, and alkalinity

QUICK & EASY: Our pool strip test takes the guesswork out of your pool and spa maintenance. Simply dip the pool strips into the water, get your results within seconds, and adjust your water accordingly

ACCURATE & RELIABLE: It’s never been this easy to take a faultless reading of your pool chlorine test strips. The pool testing strip bottle features a comprehensive color chart for reliable and accurate results

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

Easy-to-use, durable small round pool cover

Lightweight material; round cover with 13-inch overhang

Makes a snug fit over the edge of the pool

{EASY TO USE} Simply load your Hydrotools dispenser with chlorine or bromine tablets, and it will float in your pool or spa, saving you time & energy. This means you can focus on enjoying your pool or spa, rather than worrying about its maintenance.

{SMALL CAPACITY}: This mini dispenser is perfect for spas and can accommodate 1 inch chlorine or bromine tablets. This reduces the need for frequent refills, allowing you to spend more time enjoying and less time maintaining it.

{ADJUSTABLE] The dispenser is adjustable, so you can easily customize the flow rate to suit the unique requirements of your pool or spa. This means you can maintain the appropriate chemical balance no matter the size or shape of your pool.

Unsinkable Reliability – Keep your pool clean and pristine with your pool chlorine float from Cclear Pool! Your chlorine tablet holder won’t sink thanks to its foam filling and heavy-duty materials.

Safe to Splash – Chlorine stains at the bottom of your pool? Not with your Cclear Pool chlorine dispenser. Ensure chlorine tablets never fall out thanks to a secure, twist-lock cap.

Durable Design – Enjoy your pool chlorinator season after season. Unlike other chlorinators, your chlorine tablet dispenser features 40% thicker, UV-resistant walls that withstand wear and tear.

Kills bacteria

Kills and prevents all types of pool algae

Prevents corrosion, scale and stains

Winter pool cover to be used with traditional above ground swimming pools

Solid material will not let water pass through

Pool Size: 24 Foot Round - Cover Size: 28 Feet (includes overlap in total)

EASY TO USE – Installation is a breeze by using the 10-inch overhang and the included rope to secure your cover around the top of the metal frame; preventing the cover from blowing away in the wind

PROTECTS POOL FROM DEBRIS – Intended for a 10-foot round pool, this pool cover will minimize debris, leaves, and trash from getting into your pool; while also protecting the pool from sun, snow, and ice damage

SUPER-TOUGH – Made with puncture-resistant PVC material and drain holes to prevent water accumulation; this cover is meant to last multiple summers to help keep your pool free from debris

EASY TO USE – Installation is a breeze by using the 8-inch overhang and the included rope to secure your cover around the top of the metal frame; preventing the cover from blowing away in the wind

PROTECTS POOL FROM DEBRIS – Intended for a 18-foot round pool, this pool cover will minimize debris, leaves, and trash from getting into your pool; while also protecting the pool from sun, snow, and ice damage

SUPER-TOUGH – Made with puncture-resistant PVC material and drain holes to prevent water accumulation; this cover is meant to last multiple summers to help keep your pool free from debris

✔ EASY TO USE: Installation is a breeze by using the 12-inch overhang and the included rope to secure your cover around the top of the inflatable ring; preventing the cover from blowing away in the wind

✔ PROTECTS POOL FROM DEBRIS: Intended for an 8-foot round pool, this pool cover will minimize debris, leaves, and trash from getting into your pool; while also protecting the pool from sun, snow, and ice damage

✔ SUPER TOUGH: Made with puncture-resistant PVC material and drain holes to prevent water accumulation; this cover is meant to last multiple summers to help keep your pool free from debris

Durable, Affordable, and Convenient

Get the Most Out of Your Intex Pool

Prolong the Summer with Pool Accessories from Intex

Increases Water Hardness

Low calcium hardness level can cause corrosive water

Prevents the staining or etching of your pool's surface

Our chlorine free pool shock-oxidizer comes in convenient 1 pound bags

Other applications and weekly maintenance will not affect other chemical levels.

Safe enough to swim right after application!

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 clear cloudy water

Does not affect pH

Combines small particles into larger ones for easier filtration

Raises pH levels

Prevents eye irritation

Ideal PH range 7.2 to 7.8 ppm