hth® pH decreaser, 3 kg.

  • Allows your sanitizer to work most effectively
  • Reduces eye & skin irritation from pool water
  • Prevents stains and scale
  • Compatible with salt water systems

Application Instructions:

  1. Before adding this product to your pool, measure the pH of the water with an hth® test kit or test strips.
  2. Calculate the correct amount of this product to add.
  3. Broadcast this product over the deepest part of the pool.
  4. Keep the circulation pump running.
  5. Repeat each day until the desired pH level is achieved

NOTE: Do not apply near walls and metal fixtures

Dosage Rate:
  1. Use the chart on the label to add the correct amount of product for your pool size and pH reading.
  2. Follow the application instructions.
Prevent pH Variation or Over-Buffering
  1. Keep the total alkalinity between 60-120 parts per million (ppm).
  2. Each month, test for total alkalinity with an hth® test kit or test strips.


Testing and Balancing

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Test Your Water

How often you should test and balance your pool water  can vary based on how often you use it and a number of other variables; but it’s important to remember that for chlorine and pH, you should usually test your pool two to three times a week. That may sound like a lot, but water balance is vital for your pool’s health and the health of the people who swim in it. When your pool water is out of balance, your sanitizers can be less effective, the water can cause irritation to the skin and eyes.  And if the water gets imbalanced enough, it can even damage the pool’s surfaces, structure, or equipment.

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Shock Weekly

In ideal circumstances, shocking your pool just once a week will keep it looking clean and clear; but any heavy rainfall, signs of algae, use by lots of swimmers, or periods of very sunny weather can deplete free chlorine levels, which means an extra dose of hth® Shock is needed. Sundown is the optimum time to shock your pool because the chlorine can work without fighting the sun's ultraviolet rays and has more time to restore water clarity. 

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hth® Test to Swim™ App

The hth® Test to Swim™ water testing app is essential to spending more time splashing and less time guessing!

-Easily input your water results
-See immediate analysis & step-by-step treatment recommendations and dosing instructions for balancing your pool 
-Build pool profile with pool size calculator 
-How-to videos on everything from basic pool maintenance to specific pool problems




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