Clorox® Pool&Spa™ Swimming Pool Calcium Hardness Increaser, Prevents Corrosion, Etching and Staining, 4LB (Pack of 1)

Name: Clorox® Pool&Spa™ Swimming Pool Calcium Hardness Increaser, Prevents Corrosion, Etching and Staining, 4LB (Pack of 1)
Brand: CLOROX Pool&Spa
SKU: awhd-us-b084gqh8yf
Price: 10.93 USD
Availability: InStock

Brand: CLOROX Pool&Spa

Condition: Used

$10⁹³

$11⁸²

-8% Save $0⁸⁹

Updated: 2 days ago

Buy at Amazon.com

Description

Prevents Corrosion, Etching, and Staining: With Clorox Pool&Spa Swimming Pool Calcium Hardness Increaser, you can safeguard your pool against corrosion, etching, and staining, ensuring its longevity and pristine appearance. Our product offers reliable protection, giving you peace of mind while you enjoy your pool.

Increases Low Total Hardness Levels: This product helps increase the low total hardness levels in swimming pool water, ensuring a balanced and stable environment for your pool. It restores water parameters to their ideal ranges.

Extends Equipment Life: Unbalanced water can cause a corrosive environment that damages your pool surfaces or equipment. This product prevents pool surface damage, reduces pool maintenance, extending the life of your pool's cleanliness.

Compatibility: Our Clorox Pool&Spa Swimming Pool Calcium Hardness Increaser is ideal for plaster pools and areas with soft water.

Clorox Pool App: Test like an expert anytime, anywhere with the Clorox Pool App. Solve common swimming pool problems and get personalized product and dosage recommendations.

Buy at Amazon.com

Sold by

Amazon Warehouse

Verified Retailer

Official Amazon outlet for open-box & returned items

Backed by Amazon's A-to-Z Guarantee
30-day return policy
Ships from Amazon fulfillment centers
Price verified on Amazon

Product Details

SKU:: awhd-us-b084gqh8yf
Model:: 12204CLX
Country:: US
ASIN:: B084GQH8YF
GTIN:: 00810821023108
UPC:: 810821023108

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $1 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

Why use OpenBoxFox?

Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for CLOROX Pool&Spa products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.

Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.