How do you “grout” a Rock patio?

blue: How do you “grout” a Rock patio?
I pretty much know how to lay rock down for a rock patio(base, sand) but now that I have the rocks down in the bed of sand I want to add some kind of concrete type stuff in between the stones(to give it that “finished off” look). Can anyone tell me what exactly I should use ond how to do it? I have read anything from using grout bags to sprinkling the cracks with mason mix and then spraying a fine mist of water over that.

Answers and Views:

Answer by Brutus
I did this, but with bricks about 20 years ago. I used a grout bag with a black cement mixture that I squeezed between the bricks.

Unfortunately, I got black cement on some of the bricks so I had scrub the excess off with an industrial circular brush. I believe I used some muratic acid to help dissolve the cement on the bricks. It took a lot of work but it has been a very serviceable and lovely patio.

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