dog urine protection and grout sealer

[researcher]

I have a new porcelain tile floor and I want to seal the grout...I have dogs and they have already gone on the grout and stained it..
1. what would be the best grout sealer to use?
aquamix grout sealer or aquamix gold or stonetech grout sealer or something else?
2. anything I can do to get the grout back to its old color..or I guess I can replace it.
Thanks..

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[Davestone]

I don't know which is the best sealer,but urine is typically acidic and most sealers won't totally protect against that.Try some urinebgone, or maybe replace the grout.

[ob1kanobee]

Use yellow grout :D

[Davestone]

:bow::D