Hanafinn Eff-Erayza. Eff-Erayza™ is a heavy-duty cleaner for removing efflorescence, rust stains, timber tannings, grout haze and mortar stains from Natural Stone and Porcelain. For use indoors and out, its advanced formula produces no toxic fumes and brief contact does not burn the skin.
Eff-Erayza™ is an acidic cleaner for removing mineral residues including, efflorescence, grout haze, rust marks, limescale & mortar mess
Eff-Erayza™ does not produce noxious fumes so it can be used indoors and outdoors
Suitable for commercial & domestic use on floors, walls, facades, showers, masonry, brickwork, patios, driveways, garage floors.
Eff-Erayza™ is suitable for a wide range of non-acid sensitive stones and other hard surfaces, including, granite, slate, basalt, brick, glass, ceramic and porcelain tile, terracotta.
Acidic cleaners are commonly used to clean paving & poured concrete surfaces. If using Eff-Erayza™ on concrete or other cementitious surfaces, neutralise the surface as soon as possible after cleaning to minimize etching, with something alkaline, such as Oxy-Klenza dissolved in water, then rinse thoroughly with fresh water.
Effective for etching marble, limestone & other acid sensitive stones to achieve a 'honed' (matt) finish
WARNING: Eff-Erayza™ is acidic and will etch / damage acid sensitive stones such as marble, limestone, travertine and onyx as well as concrete / grout products and uncoated aluminium. Read all of the safety directions and precautions carefully before using.