Steryl Floating Anti-flor Treatment


Steryl anti-flor tablets consist of an inert very pure paraffin support in which allyl isosulphocyanate in the form of natural mustard oil has been dissolved. Mustard oil is a volatile substance with high antiseptic properties especially with regard to aerobic micro-organisms. These micro-organisms can cause a loss of alcoholic content as well as the formation of acetaldehyde, which gives a vinegary smell to the wines affected by flor.


  • blister packs of aluminum and plastic laminate ensures unlimited preservation and maintains the effectiveness of the product
  • by floating on the surface of the liquid, Steryl tablets slowly release the allyl isosulphocyanate which sterilizes the air above it
  • sized for use in tank or barrel effective for approximately 2 weeks per dose




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