The Serious Dangers Of Dirty Grout!

The Serious Dangers Of Dirty Grout!

The Serious Dangers Of Dirty Grout! Mould is a real, mostly unknown health hazard.   Dirt that was washed off the tiles, collects in the grout joints and form a film of dry dirt and detergent.  This film builds up with each wash and the grout becomes black, which is...