In The Swim is your one-stop pool shop for swimming pool supplies online. Shop the largest selection of pool chemicals, pool equipment, pool covers and more!

Pool chlorine, salt, shock and other balancing chemicals might be just what you need to get your pool in shape to swim. There are also specialty chemicals such as algae control, stain and scale control, and pool winterizing chemicals for cold months.

Keep your water clean and healthy with pool chemicals like chlorine tablets, pool shock, algaecide, clarifiers and more from Leslie's Pool Supplies.

Your pool will need a few different chemicals and tools to stay algae-free. Luckily, Costco has everything you need to keep your outdoor oasis as spotless as the day it was filled.

HTH 52037R Pool Care Shock Advanced, Swimming Pool Chemical - Cal Hypo Formula, Prevents Bacteria & Algae, Restores Crystal Clear Water - Shock Treatment, 1lb (12 Pack)

Shop high-quality pool chemicals at Pool Supply Unlimited, including chlorine, shock, and algaecides, to keep your water clean, clear, and safe year-round.

Shop for Pool Chemicals in Swimming Pools & Spas at Walmart and save.

Keep your swimming pool clean with the pool chemicals selection at Ace. Shop chlorine tablets, algae guards and more for clear and sanitary pool water.

Ensure crystal clear water with swimming pool and spa chemicals from EZ Pools. You can keep your pool clean with our high-quality products and pool chlorinators. Shop pool chemicals online for convenience and variety. We offer pool chemicals for sale that are effective and easy to use.