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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 29 - Jul 4
For Your Every Summer RSVP, with Code: SUMMER15
Description
Spa Guard Spa Calcium Hardness Increaser 12ozSpaGuard Calcium Hardness Increaser 12 oz Low levels of calcium assist in spa surface and equipment deterioration, SpaGuard Calcium Hardness Increaser raises calcium levels to the recommended range of calcium in the water 200 1,000 ppm. SpaGuard's Calcium Hardness Increaser enables spa owners to increase their calcium hardness with this easy to use granular formula, which will boost your calcium hardness to above the danger zone, where low levels

Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 503 reviews
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Product Reviews
★★★★★ 5
It’ll be a nice cosplay (Polka-Dot Man)
Prompt shipment. As described. Great seller. Would recommend!
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Reviewed in the United States on December 27, 2025
★★★★★ 5
Nice outfit
It's a nice fit, very comfortable.
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Reviewed in the United States on November 14, 2025
★★★★★ 5
Lexiart
Very good quality.
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Reviewed in the United States on November 19, 2025
★★★★★ 5
Very comfortable and stylish
Better than expected
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Reviewed in the United States on October 26, 2025
★★★★★ 3
loose zip up collar
The zip up collar doesn't hold it's shape in place a bit but otherwise ok.
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Reviewed in the United States on March 20, 2026




