HTH spa™ Filter Cleaner

Hot Tub Filter Cleaner for Oils and Buildup

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HTH spa™ Filter Cleaner

Hot Tub Filter Cleaner for Oils and Buildup

HTH™ Spa Filter Cleaner keeps your spa running strong and your water looking crystal clear.

  • This powerful spa filter cleaner removes oils, lotions, and residue that can clog filters and reduce performance.
  • By restoring filter efficiency, it helps your water stay balanced and beautiful while extending the life of your filtration system.
  • Perfect for all spa types including bromine, chlorine, and biguanide systems

HTH™ Spa Filter Cleaner ensures your spa works as hard as you relax. Easy to use and highly effective, it’s a must-have in your HTH™ Spa Care routine.

Product Benefits

Compatible with all spas

HTH spa™ hot tub filter cleaner is great for all spas, including bromine, chlorine and biguanide.

You’re all clear with HTH™

For best results, use HTH spa™ hot tub filter cleaner as part of your regular HTH spa™ care routine, or every 90 days when you change out your spa water

How to Use

How to Use

This product is designed to deep clean spa and hot tub filters when water pressure decreases or circulation becomes restricted. Regular cleaning helps restore filtration performance and extend filter life.

Filter Cleaning Instructions

Turn off the circulation system and remove cartridge filters from the spa.

Rinse filters with water to remove loose debris.

Mix the entire contents of this bottle with 4 gallons of water in a clean plastic container.

Place filters upright in the solution and allow them to soak for 3 to 6 hours or overnight.

Remove filters from the solution, rinse thoroughly with water, and reinstall in the spa.

When to Use

Use this product whenever water pressure noticeably decreases or as part of routine spa maintenance to keep filters working efficiently.

Ingredients

Ingredients

Contains sulfuric acid, hydrochloric acid, and surfactants.

Safety, Storage, and Disposal

Safety, Storage & Label Guidance

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

Use in a well‑ventilated area and wash hands thoroughly after handling.

Do not mix with other chemicals.

Store in the original, tightly closed container in a cool location, separated from chlorinating materials.

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

Reviews

 

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