HG terrace marker cleaner is a highly concentrated cleaner that has been specially developed for the cleaning of dirty, gray gravel and concrete slabs.
you can Create the tiles wet and forget, especially the joints. Wipe the pee away. Mix the contents of the bottle 4 liters of water in a bowl eenharde broom fits, for example, a afwasbakje. Dip the broom in the bucket and apply the liquid all schrobbend. Let the liquid first few minutes. Then just naschrobben and vóórdat the liquid dries up the tiles thoroughly with water spray.