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Step 3: Add the grout

Picture of Add the grout
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Once the glue had cured, we applied the grout.  I mixed up a very small batch of grout, mixing it to a fairly stiff consistency.  After mixing, I let it sit for about 20 minutes and mixed again to make sure all the dry ingredients were mixed well.

Since I was doing this part by myself, I wasn't able to photograph the process, but it was pretty simple.  I placed a bit of the grout mixture on the table and forced it into every gap with a plastic putty knife.  After covering all gaps, I then let it sit for about 20 minutes.

Next, I took a damp sponge and begin wiping the grout off the pennies, cleaning the sponge frequently as I progressed.  After cleaning all the grout from the tops of the pennies.  I wiped them down with a dry paper towel.  All that was left was to let the grout cure overnight.
 
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