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Leisure Time Spa Chemicals - Calcium Booster 1 lb

Name: Yardandpool.com Leisure Time Spa Chemicals - Calcium Booster 1 lb - Leisure Time Spa Chemicals - Calcium Booster 1 lb
Brand: Yardandpool.com
SKU: 40020251705440
Price: 8.49 USD
Availability: InStock
Rating: 5 (2 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$8.49

Quantity

Color

Black

Quantity

Description

Calcium Booster Granular by Leisure Time Spa Chemicals raises the level of water hardness, which helps prevent foaming and corrosion of equipment to extend the life of the spa.

Compatible With - Chlorine, bromine, ozone and biguanide sa...

Reviews

5.0

2 ratings

Good prices here!

This is another chemical that I use periodically when my water hardiness is low. Yard & Pool’s prices are lower than my spa supply store nearby.

Tracy · January 9, 2026

Works well

Does the job, reasonable price and fast shipping. I did find that I needed two full bottles to get my tub (500 gallons) to the correct range initially.

Marc · July 23, 2024

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Description

Reviews

5.0

2 ratings

Good prices here!

This is another chemical that I use periodically when my water hardiness is low. Yard & Pool’s prices are lower than my spa supply store nearby.

Tracy · January 9, 2026

Works well

Does the job, reasonable price and fast shipping. I did find that I needed two full bottles to get my tub (500 gallons) to the correct range initially.

Marc · July 23, 2024