HTH spa™ Scale Preventer

Hot Tub Scale Preventer for Mineral Buildup

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HTH spa™ Scale Preventer

Hot Tub Scale Preventer for Mineral Buildup

HTH Spa™ Scale Preventer is a powerful solution for reliable spa stain and scale control. Formulated to target minerals and deposits in your spa water, this product helps prevent stubborn stains and scale build-up that can cloud water and damage surfaces.

  • Use regularly for complete spa stain and scale control for hot tub care, minimizing maintenance and extending the life of your spa or hot tub.
  • Acts as an effective water mineral remover while being compatible with all spa chemicals for hot tub systems.
  • Fits seamlessly into any care routine, ensuring your water stays clear and your equipment operates at its best.

Product Benefits

Prevents Stain & Scale

Advanced stain and scale prevent formula delivers complete spa stain and scale control for clear, sparkling spa water

Effective Remover

Reliable spa stain remover and water mineral remover for spa and hot tub surfaces

Ongoing Protection

Designed for consistent spa stain and scale control for hot tub maintenance and easier cleaning

Simple Weekly Dosing

Hassle-free application for any spa chemicals for hot tub or spa chemicals routine

How to Use

How to Use

This product helps prevent scale formation in spas and hot tubs and can assist in the removal of existing scale. It works by keeping dissolved solids in solution to reduce buildup on spa surfaces and equipment.

This product is compatible with all sanitizing systems, including chlorine, bromine, ozone, and biguanide.

Weekly Maintenance Use

For best results, use this product weekly with the circulation system running.

For spas up to 800 gallons, add 2 fluid ounces of product.

For spas over 800 gallons, add 4 fluid ounces of product.

Turn the filtration system on and allow water to circulate for at least 1 hour after application.

Ingredients

Ingredients

Contains a blend of organic polymers designed to prevent scale formation.

Safety, Storage, and Disposal

Safety, Storage & Label Guidance

Use this product only as directed. Avoid contact with eyes and skin.

Wash hands thoroughly after handling.

Do not mix this product with other chemicals.

Store in the original, tightly closed container when not in use. Store in a cool, dry, well‑ventilated area.

For complete safety precautions, first aid instructions, and disposal information, always refer to the product label.

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Quick Spa Tips

  • Always read product label directions and use only as directed

  • Always add chemicals to spa water, never the other way around

  • Never add chemicals to spa water when people are in the spa

  • Warning symbol with a triangle and exclamation mark on a blue background

    Never mix products together

  • Always store spa products in a cool, dry location and away from direct sunlight

  • Outline of a pair of gloves on a navy blue background

    Always wear proper safety equipment when handling chemicals