How long should grout cure before enhancing

[JimPA36]

Hello: I applied Stonetech enhancer pro on 16x16 tumbled marble floor tiles prior to grouting. I wasn't sure if I wanted to enhance the grout as well, I now want to enchance it. How long should I wait for the grout to cure. I have heard 72 hours and 7 to 10 days? Also should I use an impragnator sealer as well or will the enchancer aslo act as the sealer? Thanks Jim :)

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[mad1ben2]

Jim, I highly recommend you test out the enhancer on your grout. I just got through making such a decision and my decision was to not use an enhancer on the grout because I couldn't get it to 'enhance' with any consistency.... it turned out blotchy...

I had very light colored grout (Mapei Ivory) and maybe that had something to do with it. Also, I only attempted one enhancer and that was the Seal and Enhancer by Miracle.

If it does work out for you, you don't also need an impregnating sealer... the enhancer will seal as well.

Good luck.

[Davestone]

I agree not to use enhancer on grout, it doesn't work very well, but usually 72 hours is enough time.

[markanthony]

also tried the enhancer sealer, used Aquamix "color enhancing" sealer from Lowes. had light colored polyblend grout, it too went on uneven. I used different combinations of a foam brush and a rag to rub it in. In the end, it didn't seem to matter, some areas looked dark, some didn't change at all. From what I can tell, the areas that didn't take it feels like the grout is smooth, like the "pores" are closed, but the rough grout areas where there is some texture, it darkened right up.

second: used same stuff to seal custom shower floor (4'x5') comprised of 1" mosaics. went on well, but I tested shower and it seems the darkness washed away? the water still seems to bead up, but the grout now looks light again, unlike the shower walls, does that make any sense? MA