Try a soft brush with water and muratic acid, use very little acid ,maybe one cup to five gallons maybe 1/2 cup, rinse frequentlyI have a hazy layer of grout/concrete on the bricks I laid because I did it in the dark and did not wipe them down good enough. Any suggestions on how to get it off?
50/50 in the middle of the night. Pour it on, give some scrubs with a push broom and hose it down. Or-get an acid etch stain and seal it with the sand in the sealer. Looks nice.On a rock-salt finished driveway, what proportions should I use to cut the slip factor down? My kids always slip when I wash the cars and I want avoid a trip to the hospital.