B&Q - Ultracare Acid CleanerMulti Purpose Liquid Cleaner With Acid Base For Porcelain StonewareCeramic Tiles And Stone 5 Litre

Mapei

For indoor and outdoor, wall and floorRemoves traces of dirt even of an organic nature, hardened cement residues, saline and limestone efflorescences, rust spots, stubborn stains.Waiting time before rinsing (5 minutes)High performance. Can be diluted in a ratio of 1:5 to 1:10Compatible with single-brush machineDoes not develop toxic fumes.