• Free shipping
  • 14-day easy returns
  • Secure checkout
  • Quality guaranteed
A box containing a 24-pack of Into the Swim pool shock granular water treatment sanitizer.
People are swimming in a pool with clear water, and a granular water treatment sanitizer is visible.
A person wearing goggles is submerged underwater in clear water, suggesting a granular water treatment sanitizer for swimming
A smiling child is floating on a yellow granular water treatment product in clear swimming pool water.
Three women enjoying swimming in a pool with a large green inflatable ring and colorful flotation devices.
Various white and blue pool and spa chemicals including tablets and liquid treatments displayed outdoors
A person is using a long pole to clean the water in an above-ground swimming pool.
A bright blue swimming pool surrounded by lush green foliage and palm trees.
A wooden deck overlooks a blue swimming pool surrounded by lush greenery and flowering plants.
Four smiling people wearing sunglasses are swimming in blue water, promoting pool and spa needs.
A box containing a 24-pack of InTheSwim pool shock granular water treatment sanitizer product.
A box containing a 12-pack of InTheSwim pool shock granular water treatment sanitizer product.
A box containing a 6-pack of InTheSwim pool shock granular water treatment sanitizer.
A white plastic container of calcium hypochlorite granular water treatment sanitizer for swimming pools.
1 / 14

Granular Water Treatment Sanitizer for Swimming Pools

Regular price $93.99 Sale price $76.99 – $178.99

Why customers love it

Maintain Crystal Clear, Safe Pool Water

This powerful granular sanitizer is designed to defend against harmful bacteria and algae, ensuring your swimming pool remains clean and inviting.

  • Provides effective sanitation for pool water
  • Designed to clarify and protect swimming environments
  • Ideal for regular pool maintenance and hygiene
  • A convenient solution for keeping water balanced
A box containing a 24-pack of Into the Swim pool shock granular water treatment sanitizer.

Why Choose Our Sanitizer?

Effective Sanitation

Provides effective sanitation for pool water.

Water Protection

Designed to clarify and protect swimming environments.

Regular Maintenance

Ideal for regular pool maintenance and hygiene.

Water Balance

A convenient solution for keeping water balanced.

Specs

The details that matter

Built to last outdoors, season after season.

Product Type
Granular Water Treatment Sanitizer
Capacity Options
25 lbs, 24 units of 1 lb, 12 units of 1 lb, 6 units of 1 lb

Our worry-free shopping promise

If your order arrives damaged, defective, or not as described, contact us within 14 days and we will make it right with a replacement or refund.

Frequently asked questions

Everything you might want to know before you order.

How does this product help protect my pool?

This product is designed to clarify and protect swimming environments.

Is this sanitizer useful for regular pool upkeep?

It is ideal for regular pool maintenance and hygiene.

What is the main function of this granular sanitizer?

This product provides effective sanitation for pool water.

Shipping & returns

Shipping

  • Delivers to United States (based on your selected country/region).
  • Estimated delivery: 3–15 business days after dispatch.
  • Shipping cost: Free.

Returns

You can request a return within 14 days after delivery. Standard returns have a €4.00 EUR (approximately $4.66 USD) flat-rate return shipping fee, deducted from your refund. Return shipping is free for items that arrived damaged, defective, or incorrect. Items should be unused and in original packaging where possible. Contact us before sending anything back.

Shipping policyReturn & refund policy

You may also like