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Spa Ozone – Using Ozone in Spas & Hot Tubs



Ozone is a great way to sanitize your spa or hot tub. It kills quickly and cleanly, with no byproducts – doesn’t affect water chemistry, and can be produced for just pennies per day!

Most new spas will have an ozonator, with lower end models offering it as an option. You can add a spa ozonator at any time to an existing spa. Ozone will reduce the bromine or chlorine needed, and give a noticeable shine and clarity to any spa or hot tub.

inventor of ozone christian-friedrich-schonbein

Ozone was discovered by German scientist Christian Friedrich Schönbein in the 1840s when he identified a unique odor during electrolysis and electrical sparking experiments. He recognized the scent as the same odor found after a lightening flash and named the substance ozone.

Ozone is created when oxygen molecules are split, by a high-energy electrical discharge, resulting in two individual oxygen atoms and those individual oxygen atoms unite with remaining oxygen molecules to produce a three-atom molecule of ozone.

The weak bond holding ozone’s third oxygen atom causes the molecule to be extremely unstable and thus, very effective as an oxidizer.

An oxidation reaction occurs upon any collision between an ozone molecule and an organic molecule, such as bacteria, viruses, fungus and algae, where the oxygen atom held by the weak bond splits off and only oxygen is left behind.

Ozone Benefits

  • It’s a natural purifier as no harmful chemical by-products are created during purification, making it environmentally friendly.
  • Eliminates chloramines, chlorine by-products that can cause skin irritations and illness, and their off-gas odor.
  • Oxidizes hydrogen sulfides, iron, manganese, arsenic and most chlorinated hydrocarbons found in water.

Ozone Facts

  • In 1906, the city of Nice, France built the first water purification plant to utilize ozone.
  • Safe for mammals and marine life, ozone is used in zoos and aquariums.
  • Ozone has been purifying bottled water since 1982.
  • Since 1984, all Olympic Games competition pools have been sanitized with ozone.
  • In 2001, the FDA allowed the use of ozone as a direct food additive and ozone can safely be used as on food equipment surfaces.
  • In the pool and spa industry, ozone has been used for more than 75 years as the most powerful oxidizer for a swimming pool or spa.

Want to learn more?

del-spa-ozonator Spa EclipseDel MCD-50 ozonator for spas

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