Quote:
Originally Posted by LewisM
Next time, I will use the proper tile and grout cleaner  Or maybe caustic soda (I know how that reacts) |
Its not that simple. Concentrated inhalation of anything can do major damage to your lungs. Caustic Soda can also be quite lethal.
If the area is not well ventilated, do a small section and get the hell out of there. Also pick a windy day; the turbulence may help.