HG Grout Cleaner Ready To Use
Dilute (1:4) HG grout cleaner concentrate with lukewarm water. Then apply with a hard broom or a scrubbing brush. Just leave it to work, scrub well and rinse with water. One litre is enough for 10-15 square metres of wall or floor surface.
HG grout cleaner concentrate is also available as a ready-to-use version.