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Choosing the Best Chlorine Type for Your Pool

  • August 29, 2014
  • 3 Minute Read
  • Pools

Chances are that you’ve been to a pool where you could barely stand to stay in the water because it made your eyes sting or the smell of the chlorine was just too overwhelming. This problem happens when pool owners don’t properly maintain chlorine levels. In order to ensure a safe, clean swimming environment throughout the year, you should pay attention to what type of chlorine methods are out there and which is best for your pool.

But before you choose your method, an understanding of why chlorine is used in pools is necessary. The chemical is used to not only keep pools sanitary, but also to help prevent the growth of algae and maintain proper pH levels. However, treating pools regularly with chlorine doesn’t guarantee that the pool is safe and clean. The reason is because chlorine can make chemicals combine and become ineffective. This is why it is necessary to “shock” a pool weekly to ensure that it’s safe to swim in.

Here are the different types of chlorine:

  • Tablet Chlorine- This type of chlorine is frequently used in large pools to supplement liquid chlorine, but can also be used as a primary source of chlorine in smaller pools. If you’ve ever seen a floating basket in a pool, it most likely contains a tablet of chlorine. This method allows the chlorine to dissipate the water gradually over a period time. Tablet chlorine is considered to be the safest way to treat a pool because it allows the average person to add chlorine to water quickly without coming into contact with hazardous chemicals.
  • Granular Chlorine- Granular chlorine works similar to tablet chlorine, but it can be poured directly into the pool instead of being placed inside a feeding basket. This type of chlorine dissolves very quickly, frequently dissolving completely before it reaches the bottom of the pool. It’s most often used in larger quantities to help shock a pool. Granular chlorine is easily contaminates, so it should be stored in a sealed container in a cool, dry place out of the reach of pets and children.
  • Powdered Chlorine- Chlorine of this nature is used for heavy cleaning and to shock a pool. When it’s poured into the pool, it creates a strong chemical reaction that leads to an explosion beneath the surface, which resembles a cloud of smoke. Powdered chlorine is typically used on a monthly basis.