BioGuard Lo’N’Slo is a granular product designed to decrease Total Alkalinity and pH levels in pool water to prevent cloudy water, scale formation, high acid demand and poor chlorine efficiency.

Product Features

  • 1000g/kg sodium hydrogen sulphate.
  • Lowers Total Alkalinity and pH.
  • For all pool types.
  • Classified as Non-Dangerous Good.
  • Micro granule that breaks water surface tension and sinks before dissolving.


  • Prevents corrosion of equipment.
  • Prevents etching of concrete and grout, and wrinkling of liners.
  • Reduces the risk of scale formation.
  • Easier to use than liquid acid (hydrochloric acid, muriatic acid).
  • Storage and transport friendly.

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