Oxygen Granules, Tablets & Liquid

Shop oxygen tablets, granules & liquid for gentle and odour-free hot tub sanitisation for sensitive skins

Frequently asked questions about hot tub oxygen

  • What is active oxygen based treatment for spa?

      Active oxygen is the perfect sanitiser alternative to chlorine and bromine for people with sensitive skin, as it’s a milder solution. It’s also typically odour-free if you're concerned about that chlorine smell!

  • Can you use oxygen in a hot tub?

      Yes! Oxygen is a great option if you have sensitive skin. Active oxygen is milder than chlorine or bromine, while still disinfecting your hot tub.

  • How much oxygen should I use?

      Check your tub's oxygen levels are between 5-10mg/l using oxygen test strips. Weekly, you need to add one 20g oxygen tablet along with 15ml of oxygen liquid per 1,500 litres of water. You also need to add one tablet before each use and ensure the range is between 5 and 10 parts per million. You must use tablets and liquid for oxygen to work.

  • What if I need more advice on using oxygen in my hot tub?
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