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BioGuard Shield raises the calcium hardness of spa water
cloudy water and eye irritation
BioGuard Perfect Balance is a unique all-in-one product that locks in your pH
slope or obstacles
BioGuard Spa Performance Up 500g testing BioGuard Shield raises the calciumBioGuard Performance Up increases total alkalinity in spa water. Low Total Alkalinity (TA) can increase corrosion and cause pH to fluctuate excessively whilst being adjusted, as well as decrease sanitiser efficiency. Product features: 1000g kg sodium hydrogen carbonate. Raises Total Alkalinity. Reduces pH fluctuation. For all spa types. Product benefits: Protects the pH from being influenced by factors such as rain, bather load and other chemical
