Swimmer's Delight: 68% Cal-Hypo Granular Pool Sanitizer - 6 x 1 Pound

Founded in 1982 by a husband and wife team, In The Swim has grown to become one of the country's largest online retailers for pool chemicals, supplies, and equipment. Starting out by shipping chlorine from their garage and taking orders on their front porch, the founders had a vision that this could become something substantial.

Four decades later, In The Swim continues to provide excellent service and a wide range of essential pool products to customers nationwide. Whether you're preparing to open your pool for the season, maintaining balanced water chemistry, or tackling specific issues, In The Swim has you covered.

Visit our online store to explore our extensive selection:

Chlorine and Shock Pool Closing Supplies Spa Kits and Covers Salt Cells Filter Cartridges Water Clarifiers Alternative Sanitizers Algaecides and Flocculants Bromine and Water Balancers Stain Removers and Cleaners Deck Paint and Patch Paint and Primer Hard Wall Pools and Liners Solar Covers and Reels Opening Kits and Chemicals

Our most popular and versatile pool shock treatment is the In The Swim Calcium Hypochlorite Pool Shock. This powerful chlorine shock is essential for spring pool opening and can also be used to quickly boost chlorine levels. It effectively kills algae, bacteria, and other contaminants that can make pool water cloudy and unsafe.

Daily chlorination helps maintain a healthy, pathogen-free swimming environment. Equip your pool with the ultimate defense system by stocking up on our reliable pool shock treatment.

In addition to our pool shock, we offer a wide range of water care products to ensure your pool is properly balanced and maintained:

• 3 Inch Chlorine Tablets for long-lasting sanitization
• Alkalinity Increaser to raise alkalinity levels
• pH Increaser to quickly raise pH
• pH Reducer to lower pH levels

Our customer reviews speak for themselves, with our products consistently earning high ratings across the board. We are committed to providing quality products and excellent service to help make pool ownership a breeze.

Trust In The Swim to keep your pool sparkling clean and safe for swimming all season long. Shop our complete selection of pool chemicals, equipment, and accessories today!

product information: