April 28th, 2010 
support After cleaning is there a good sealer I can use. I have coffee stains in the grout.
Thanks Nick, I sent an email to your web site requesting the above information. In the meantime I am checking hardware stores to find a good product. If you can suggest a commercial grout cleaner and resealer, I would greatly appreciate that. C:)
Thanks Eric, that is a great site.
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Make sure you use a good commercial cleaner, most Lowes or Home Depots stores do not carry great grout products. Places like http://www.thegroutcleaningstore.com has commercial stuff and tips.
Hi, I’m Nick the Tile Man. What ever you do, do not use bleach or ammonia. I have a web site that contains information regarding grout and how to clean. If the grout is bad you might have to change it, check out the web site under re-grout.
grouts dont like chemicals ( they are sale pitches ) white vinegar and water is your solution