Hard water is water too rich in calcium.

 

 

Too much calcium and magnesium (or T.H.) in the water is a danger for the equipment of the pools and spas. Inversely, water that is too soft leads to corrosion of metals and walls. Here are our tips to effectively treat your pool water and keep it balanced.

To keep your water balanced, comfortable for your skin and to preserve your equipment, you need to treat your water with the right product at the right dosage.

Is your water too hard or too soft? 

 

The main information to remember is that the TH (Hydrotimetric Title) must be between 10°f and 20°f (100 to 200 mg/l or ppm).

 

It is important to know the water quality in your area, which will tell you if it is too soft or too hard. This way, you can better monitor the water in your pool and spa.

 

  • Below 10°f (100 mg/l or ppm) the water is too soft, which can lead to corrosion problems. To identify if your water that is too soft, do a simple test: when you wash your hands with soap, the more suds the softer the water.
  • Above 20°f ( 200 mg/l or ppm) the water is too hard. The water then becomes cloudy and milky. The water becomes irritating to the skin and eyes. Limescale is quickly deposited on the liner at the water line and the equipment (filtration, ladders, water line and pipes).

 

How to analyze the water hardness? 

To measure the TH, suitable colorimetric strips are available in the trade.

Before treating the water with the right dosage, you must also analyze the three factors responsible for the water balance which are pH, TAC and TH.

Some of the new generation devices, such as ICO, measure the TDS (Total Dissolved Solids) which analyzes all the trace elements and minerals responsible for the alkalinity of the water.

Treating water hardness 

 

  • With hard water (above 20°F / 200 mg/l or ppm): first, pay attention to the temperature of your pool water, which will promote scale formation if it is high. Secondly, regulate the pH of your pool between 7.2 and 7.4. Finally, if possible, add a sequestering product to slow down the formation of scale.

 

  • With soft water (below 10°F / 100 mg/l or ppm): use a product to increase the tH to 15°F and then adjust the pH of your pool.
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