Best C3 in 2026

Note: 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

99% Trichloro-S-Triazinetrione with 90% Available Stabilized Chlorine

Stabilized (slow dissolving) Tablets

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.

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

Maintains problem-free water, established from Beginnings

Prevents scale

Makes water silky smooth

{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.

* Premium Craftsmanship: Crafted from high-quality ABS plastic and treated with UV protection, this chemical holder is built to withstand exposure to various weather conditions, ensuring no fading over time and enabling long-lasting use.

* Perfect Size: With a 10" diameter and 9" height (when the chemical cup is retracted), this floater is the perfect size for holding 1" or 3" chlorine/bromine or pool chemical tablets (tablets not included).

* Durability: The animal style floater features durable plastic construction, allowing it to be used for several years and providing long-lasting protection for your pool or spa.

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.

{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.

{LARGE CAPACITY}: The dispenser has a generous capacity, which means that it can accommodate multiple 1 and/or 3 inch 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.

Fast acting

Add as needed to maintain 3-5ppm

Acts as a sanitizer and an oxidizer; no need for two products

Kills bacteria

Kills and prevents all types of pool algae

Prevents corrosion, scale and stains

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

Granular stabilized chlorinator

Acts as a sanitizer and an oxidizer; no need for two products

Fast acting

Keeps pool pH balanced

Protects against eye and skin irritation

Reduces pool maintenance

THE PERFECT SOLUTION: Whether you’re looking for a natural and non-toxic way of increasing pH levels of your swimming pool water, you want to get rid of those nasty greasy stains on your favorite t-shirt, or you work in the fabric dyeing industry, the Cesco Solutions Soda Ash is a must.

PREMIUM QUALITY INGREDIENTS: Our soda ash is made with finest quality, non-toxic and 100% biodegradable ingredients, naturally stabilizing alkaline levels and increasing pool pH levels.

DYE FIXER: Sodium carbonate acts as a textile fiber molecule activator, changing the pH of the dye and cellulose fiber, which makes it the ideal dye fixer, ensuring that the dye properly bonds with the fabric.

Increases low Total Hardness levels in swimming pool water

Prevents corrosion, etching, and staining

Prevents pool surface damage

Helps chlorine last longer

Reduces sun's impact on chlorine

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

BENEFITS: Stay all clear for cannonballs; This fast-dissolving, convenient 4-in-1 formula kills bacteria and algae, reduces chlorine odor and irritation, and quickly restores crystal clarity

FEATURES: Multi-functional shock treatment for weekly use to solve 90% of pool water problems within 24 hours and restore crystal clarity

VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock

Multifunctional pool shock with algae-fighting crystals

Creates crystal clear water

Kills and prevents green, black and mustard pool algae

ADAPTABLE TO YOUR POOL OR HOT TUB - Use 16 ounces per 10,000 gallons of pool water per week by adding the pool chlorine tablets to your floating chlorinator or a inline/offline chlorinator and using the flow of your pump to dissolve and distribute the pool chemicals

EASY TO USE - Each chlorinating tablet weighs 0.5 oz. Each bucket comes with multiple bagged tablets to help reduce the chemical mess

LONG LASTING - These Rx Clear chlorine tabs are slow dissolving, 90% available chlorine, 99% Trichlor. Note: Some of the tablets may be cracked or broken within their packaging due to shipping. This breakage is normal and does not reduce the effectiveness of these tabs

BENEFITS: Stay all clear for cannonballs; This fast-dissolving, convenient 4-in-1 formula kills bacteria and algae, reduces chlorine odor and irritation, and quickly restores crystal clarity

FEATURES: Multi-functional shock treatment for weekly use to solve 90% of pool water problems within 24 hours and restore crystal clarity

VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock

ADAPTABLE TO YOUR POOL OR HOT TUB - Use 16 ounces per 10,000 gallons of pool water per week by adding the pool chlorine tablets to your floating chlorinator or a inline/offline chlorinator and using the flow of your pump to dissolve and distribute the pool chemicals

EASY TO USE - Each chlorinating tablet weighs 0.5 oz. Each bucket comes with multiple bagged tablets to help reduce the chemical mess

LONG LASTING - These Rx Clear chlorine tabs are slow dissolving, 90% available chlorine, 99% Trichlor. Note: Some of the tablets may be cracked or broken within their packaging due to shipping. This breakage is normal and does not reduce the effectiveness of these tabs

Fast Dissolving: Chlorine granules are designed to dissolve quickly in hot water, making them an ideal choice for hot tubs and spas.

Easy to Use: Chlorine granules are generally easy to use and can be added directly to the water using a spa scoop or a measuring cup.

Cost-effective: Chlorine granules are often less expensive than other methods, making them a popular choice among hot tub owners.

ADAPTABLE TO YOUR POOL OR HOT TUB - Use 16 ounces per 10,000 gallons of pool water per week by adding the pool chlorine tablets to your floating chlorinator or a inline/offline chlorinator and using the flow of your pump to dissolve and distribute the pool chemicals

EASY TO USE - Each chlorinating tablet weighs 0.5 oz. Each bucket comes with multiple bagged tablets to help reduce the chemical mess

LONG LASTING - These Rx Clear chlorine tabs are slow dissolving, 90% available chlorine, 99% Trichlor. Note: Some of the tablets may be cracked or broken within their packaging due to shipping. This breakage is normal and does not reduce the effectiveness of these tabs

BENEFITS: Destroys organic contaminants to maintain clean, clear, sanitized water; helps control algae growth

USE: Specifically formulated for spa and hot tubs; can be used as a shock treatment

COMPATIBILITY: Chlorine sanitizing systems

Low-chlorine spa sanitizing cartridge maintains a consistent 0.5 � 1.0 ppm free chlorine level at all times

Shock only once a month and use up to 75% less chlorine

Floats in spa water and flips over when empty, indicating the SmartChlor cartridge needs replacing

PREMIUM GRADE Heavy Duty and Easy to Use Chlorine and Bromine Dispenser Float

DURABLE Sturdy with Weighted Screw Cap

ADJUSTABLE Allows up to 13 Opening Positions for Release of Chlorine or Bromine

BioGuard SilkGuard Complete 3" Tablets (25#)

SilkGuard Technology Softens your swimming Pool Water

Protects your pool surfaces and equipment from scale, corrosion and staining