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Calcium Hardness Booster

Name: SpaDepot.com Calcium Hardness Booster - Calcium Hardness Booster
Brand: SpaDepot.com
SKU: 40498448826425
Price: 6.95 USD
Availability: InStock
Rating: 5 (5 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$6.95

Quantity

Color

Black

Quantity

Description

Calcium Hardness Booster for hot tubs corrects problems caused by insufficient levels (below 150 ppm) of dissolved calcium. Prevents corrosion of heater & equipment, etching, water foam.

Prevents corrosion
Reduces foaming
14 o...

Reviews

5.0

10 ratings

I always order from SpaDepot❣️

I always order from SpaDepot. Their prices are great and their arrival time is super quick. Delivered right to your door. Love it. Thank you, Sheryl N.

Sheryl · 13 days ago

Works great no complaints

Rnkinter · April 23, 2026

veary good

been getting my stuff from SpaDpot for a long time know and it fast too so far like all that I have gotten. thank you

sandy · August 1, 2025

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SpaDepot.com

4.7 (3.5K)

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Description

Calcium Hardness Booster for hot tubs corrects problems caused by insufficient levels (below 150 ppm) of dissolved calcium. Prevents corrosion of heater & equipment, etching, water foam.

Prevents corrosion
Reduces foaming
14 o...

Reviews

5.0

10 ratings

I always order from SpaDepot❣️

I always order from SpaDepot. Their prices are great and their arrival time is super quick. Delivered right to your door. Love it. Thank you, Sheryl N.

Sheryl · 13 days ago