Powerful biocide detergent based on cationic reaction to clean and sanitize supports with lichens, algae, mold, fungi. It does not act as a solvent for the stone, it prevents its discoloration and it encapsulates the oxidizing metals. Especially suitable for stone, ceramic surfaces, brick, concrete, fiber cement, brick, swimming pools … Let it act on the support as long as possible. In natural stone constructions, protect with HIDROFUART BIO or NEW TEC HIDROFUART W among others. On rough supports treat repeatedly. VOC: Not applicable.