BioGuard SPA Aquality slowly lowers pH and decreases Total Alkalinity to help prevent scale build-up, cloudy water and eye irritation.

Product Features

  • 1000g/kg sodium hydrogen sulphate.
  • For all spa surfaces.
  • Easier to use than liquid acid (hydrochloric acid, muriatic acid).
  • Storage and transport friendly.


  • Lowers pH and Total Alkalinity.
  • Helps improve chlorine/bromine efficiency.
  • Prevents corrosion of equipment.
  • Reduces the risk of scale formation.

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