Pool Season 33721RG 1 lb Calcium Increaser Bag

Pool Season 33721RG 1 lb Calcium Increaser Bag

Marsoni

M251S

$12.30

Get it in 3 business days with 1 day shipping. Friday, May 29

Pool Season 33721RG 1 lb Calcium Increaser BagA convenient granular product for raising calcium hardness. Addition of this product as required will help protect pool from corrosion & help prevent staining. Features: Odorless 100% Calcium Chloride Raise calcium hardness in water to recommended level Help protect pool surfaces, plumbing, and equipment from corrosive conditions

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Your Pool Season 33721RG 1 lb Calcium Increaser Bag orders ship within 1-2 business days.

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Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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Purchased these for a 2020 Lexus RX350 due to the hollow sound of the car doors when shutting. They sounded cheap. The mats are super sticky and I applied them when the doors were hot from sitting in the sun. They alubutyl sticks like crazy and the end result was perfect. Now I have solid sounding doors. Good quality product.

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Reviewed in the United States on May 20, 2026

Verified Purchase

Amazon Customer

Lexington, US

★★★★★ 5

Awesome product 👌

Style: 50 mil 50 SqFt, Style: 50 mil 50 SqFt

I love this stuff. I use it alot. Sticks great Easy to use Molds super easy Really helps with sound. Great product. I wish I could get sponsored for this product on my projects..

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Reviewed in the United States on April 30, 2026

Verified Purchase

john l fields

Lake Worth, US

★★★★★ 5

Good product at a good price

Style: 80 mil 36 sqft

This product works great and easy to install. I do two or more vehicles a month. I switch to this brand a year ago and would recommend to everyone of my customers

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Reviewed in the United States on April 16, 2026

Verified Purchase

napoli

San Leandro, US

★★★★★ 4

Good deal for the price

Style: 80 mil 18 SqFt

The product is good and contrary to some comments I read it was not a mess to install and went on very nicely. That said I placed on a 71 Baracudda and starting from a 71db I was able to drop that down to about 66 with two layers Kilmatt 80mil

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Reviewed in the United States on April 18, 2026

Verified Purchase

#1 Ford

Alexandria, US

★★★★★ 5

Kilmat Car Sound Deadening Mats

Style: 50 mil 25 SqFt

Easy to install in a vehicle! Helps keep the heat out as well as keeping it quieter inside my car. Self sticking to the inside of the roof without strong smelling adhesives. The quality of these pieces work very well in my vehicle!

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Reviewed in the United States on May 19, 2026