TH+ (powder) - 10lb

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Why use TH+

TH+ increases the hardness of your swimming pool water (the concentration of calcium and magnesium present in the water in the form of ions). A good level of TH helps decrease corrosion, improves pH stability, and reduces lime deposits.

Use-it with app

You can free download our application on Apple Store (IOS) or Play Store (Android). Then you can follow advice from our recommendation engine to know when and how you can use our chemicals products.

How it works

By being released in contact with your swimming pool water, iopool's TH+ releases calcium and magnesium ions, increasing the hardness of the water.


Main advantages

  • High TH+ concentration;
  • High-grade quality TH+;
  • A small amount of dust;
  • Fast efficiency.

Usage advice

  • Activate the filtration of your swimming pool;
  • Dilute the TH+ in a bucket of water;
  • Incorporate the mixture of water and TH+ in your swimming pool.


  • Too low a TH can damage the liner and the plastic elements of the swimming pool;
  • Too high a TH can cause lime deposits to form on the waterline, the filtration system, and your equipment.

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