HTH Spa Care Clear Chlorinating Sanitizer for Spa & Hot Tubs, Granules, Chlorine Pool Chemicals, 2.25 lbs
HTH Spa Care Clear Chlorinating Sanitizer for Spa & Hot Tubs, Granules, Chlorine Pool Chemicals, 2.25 lbs
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HTH Spa Care Clear Chlorinating Sanitizer for Spa & Hot Tubs, Granules, Chlorine Pool Chemicals, 2.25 lbs

4.6 stars out of 284 reviews
(4.6)|
284 ratings
Size:2.25 lbs
Pack Size:12 Pack

Key item features

  • Effective Sanitizer: Rely on this convenient and easy-to-use sanitizer to control algae, kill bacteria, and destroy contaminants in your spa.
  • Ideal for Spas: Perfect for sanitizing and shock treating spas and hot tubs, ensuring clean and clear water.
  • Fast Acting: This product works quickly to destroy algae and bacteria, providing immediate results.
  • Comfortable Water: Creates more comfortable water by protecting against chlorine loss and leaving no sediment.
  • Chlorine Compatible: Compatible with chlorine-based spas, making it a versatile choice for various spa systems.
  • Easy Application: For best results, use with HTH Spa Test Strips to balance pH levels and apply while the filter pump is running at night.
  • Granule Form: Comes in a 2.25 lb bottle of chemical granules for easy handling and application.
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Current price is Now $22.99
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was $34.48
63.9 ¢/oz
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HTH Spa Care Clear Chlorinating Sanitizer for Spa & Hot Tubs, Granules, Chlorine Pool Chemicals, 2.25 lbs $22.99 Was $34.48 63.9 ¢/oz

HTH Spa Care Clear Chlorinating Sanitizer for Spa & Hot Tubs, Granules, Chlorine Pool Chemicals, 2.25 lbs
current price Now $22.99, Was $34.48
63.9 ¢/oz
You save $11.49

HTH Spa Care Clear Chlorinating Sanitizer for Spa & Hot Tubs, Granules, Chlorine Pool Chemicals, 2.25 lbs

4.6 out of 5 Stars. 284 reviews

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4.6 out of 5 stars
stars284 ratings99 reviews
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Showing 1-3 of 99 reviews

Feb 15, 2026
Ang
Item details
Size: 2.25 lbs
Multipack quantity: 12
5 out of 5 stars review

Verified Purchase

Hot tub

Very easy to use but did not dissolve completely

Helpful?14ee3840-0b0e-11f1-85c1-b9be452911c7490983652
Jul 27, 2023
Denise
Item details
Size: 2.25 lbs
5 out of 5 stars review

Verified Purchase

Perfect!

I work at a church that has a modern fountain near the entry. The concrete base and rocks in the fountain often turn green with algae. Instead of messy and cumbersome chlorine bleach, I decided to try these granules. A capful once a week and our fountain is beautiful once again! Perfect for my needs!

Incentivized Review
Helpful?14ee3840-0b0e-11f1-85c1-b9be452911c7490983652
Dec 9, 2025
VERNON
5 out of 5 stars review

Verified Purchase

Great buy

This product works well and at the price point it works as good or better than the more expensive product on the matley

Helpful?14ee3840-0b0e-11f1-85c1-b9be452911c7490983652