SpaGuard® Rapid-Dissolve Alkalinity Increaser Tabs – 1.25 lb

Name: SpaGuard® Rapid-Dissolve Alkalinity Increaser Tabs – 1.25 lb
Brand: BioLab, Inc.
SKU: 42661BIO
Price: 15.99 USD
Availability: InStock

Type: Balancer

SKU: 42661BIO

$15.99

$15.99 ~~$0.00~~

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Maintain perfectly balanced spa water with SpaGuard® Rapid-Dissolve Alkalinity Increaser Tabs (1.25 lb). These specially formulated tablets quickly raise total alkalinity—an essential measure for stabilizing pH, preserving spa equipment, and enhancing bather comfort. The effervescent design simplifies treatment: drop the required number of tablets (2 per 250 gallons for a ~30 ppm increase) into the spa while jets are running and let the mixture disperse. With this product you’ll avoid pH swings that lead to cloudy water, skin or eye irritation, and equipment corrosion. Suitable for all types of sanitizing systems—chlorine, bromine, saltwater or mineral—you can integrate this into your existing routine with ease. The generous 1.25 lb size gives you multiple doses for the season, making it a practical choice for spa owners who prioritize water stability and carefree maintenance.

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Product Description

The SpaGuard® Rapid-Dissolve Alkalinity Increaser Tabs offer spa owners a fast, convenient way to raise total alkalinity and stabilize pH in hot tubs and swim spas.
These effervescing tabs are designed for easy dosing: for example, 2 tabs per 250 gallons of water raise alkalinity by approximately 30 ppm.
Proper total alkalinity helps prevent “pH bounce,” which can cause corrosion of equipment, cloudy water, and skin or eye irritation.
Compatible with all standard sanitizing systems including chlorine, bromine, salt and mineral setups, making it flexible for many spa configurations.
The 1.25 lb package size is ideal for multiple treatments across a full season in most residential spas.
Manufactured by SpaGuard®, a trusted name in spa water care, ensuring consistent quality and ease of use.

Specifications

Brand : SpaGuard®

Dimensions:

Barcode:

FAQ

Q: How fast do the tabs work?

A: The Rapid-Dissolve technology ensures the tablets begin to disperse immediately once added, raising alkalinity quickly without lengthy wait times.

Q: Is this compatible with all spa sanitizing systems?

A: Yes — the product works with chlorine, bromine, saltwater, mineral and other standard spa sanitizers.

Q: What happens if alkalinity remains too low?

A: Low total alkalinity can lead to unstable pH (“pH bounce”), which may cause equipment corrosion, surface damage and discomfort for bathers.

Q: Can I use too much?

A: While the dosing rate is simple, overuse can raise alkalinity too high, which may result in scaling or pH drift upward. Always test before and after treatment.

Q: Do I still need to check sanitizer and pH levels separately?

A: Absolutely — this product only adjusts alkalinity. Regular testing of pH, sanitizer residual and other water chemistry remains essential.

Directions

Test total alkalinity using an accurate test kit; target range for most spas is 80 – 120 ppm.

With pump running, add 2 tablets per 250 gallons to raise total alkalinity approximately 30 ppm.

Allow the tablets to dissolve fully and circulate for at least 15 minutes.

Retest total alkalinity after 4 hours and adjust further only if required.

Store product in a cool, dry place out of direct sunlight and keep container tightly sealed.

Compatability