Quote:
Originally Posted by BV
just dilute it like i said or it will eat all of the grout out and then you will have to re grout. 
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Yeah, grout is alkaline and hydrochloric acid (or whatever you guys call it) is a strong acid... don't leave it on for long, and *absolutely don't* add this if your tiles are marble.... or bye bye tiles too!
So, weekend is over - how did it go?