HTH spa™ Care Clear Chlorinating Sanitizer: Hot Tub Sanitizer

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HTH™ Spa Clear Chlorinating Sanitizer is your go-to solution for sparkling, balanced spa and hot tub water.

  • This powerful spa sanitizer doubles as a fast-acting shock treatment, destroying bacteria, algae, and organic contaminants for clear, comfortable water that’s ready when you are.
  • Its pH-balanced, residue-free formula keeps water clean and inviting while supporting overall spa health and equipment longevity.

Whether used for routine sanitizing or periodic shocks, HTH™ Spa Clear Chlorinating Sanitizer delivers dependable results every time. Because when it comes to your relaxation, HTH™ is here to help. 

Creates more comfortable water

Our hot tub sanitizer protects water against chlorine loss for more comfortable water with no sediment.

Compatible with chlorine-based spas

HTH spa™ Clear Chlorinating Sanitizer is great for chlorine systems.

You’re all clear with HTH™

For best results, use HTH spa™ Clear Chlorinating Sanitizer as part of your regular HTH spa™ care routine.

How to use

HTH spa™ Care Clear Chlorinating Sanitizer: Hot Tub Sanitizer

1. Test and Balance Spa Water

For best results, use HTH spa™ Test Strips to make sure the pH level in your spa water is between 7.2 and 7.8.

For best results, use HTH spa™ Test Strips to make sure the pH level in your spa water is between 7.2 and 7.8.

2. Add Sanitizer

While the filter pump is running at night, apply HTH spa™ Clear Chlorinating Sanitizer. Refer to the on-pack instructions for the correct dosage.

While the filter pump is running at night, apply HTH spa™ Clear Chlorinating Sanitizer. Refer to the on-pack instructions for the correct dosage.