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what's it for

  • Rapidly removes mould and sanitises stone, plaster, concrete, terracotta, grouting, ceramic, glass and marmorino plaster surfaces.


  • Easy-to-use, ergonomic container with spray applicator.
  • Ideal viscosity: can be easily applied to walls.
  • Acts rapidly and effectively within a few minutes.
  • Effectively removes mould from grouting.

ideal for

  • Porcelain Tiles
  • Ceramic
  • Natural Stones
  • Clinker
  • Concrete And Grouting
  • Terracotta
  • Quarry Tiles

before and after

video tutorial

Method of use

Ready to use: no dilution required

Spray ALGACID directly onto the surface to be cleaned, from a distance of about 15-20 cm, while keeping the bottle upright.Leave to act for approximately 15 minutes. Soak up any excess product with a damp cloth to prevent dripping. Repeat if necessary, then wipe the surface clean with a damp sponge.To prevent further mould build-up, apply ACTIVE2 after cleaning the surface for active protection against moulds.

Please note

do not spray on wood, plants, fabrics and metals. Should this occur, wash immediately with water. Do not use on new polished stone. Caution: before using on coloured plaster, first try on a small section to avoid possible colour alterations. Use biocides safely. Always read the label and product information before use.


With one litre:
  • 10-20 m2 depending on surface absorption


500 ml bottles with spray nozzle (trigger): 12-piece cartons

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