Cleaning unsealed concrete (power trowel finish)

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I imagine one or two of you had no idea what a power trowel finish was, as I did..

I didn't but you mentioned it before and now I understand.

This is the finish on most of our new contstruction.

I use my spinner and wand at about 600 psi. When I go lower I don't think there is enough water to flush it as well with the crappy vac these tools have. The spinner I sometimes turn up to 800. It can cause some streaking but the follow up with the wand blends it all together.

I would just use water and spot clean stains or a light Prespray overall then just water.
 

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