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.