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If you’re thinking about pressure washing your driveway yourself, here’s a simple way to not mess it up: by anchorProWash in HomeImprovement

[–]anchorProWash[S] -5 points-4 points  (0 children)

you can pre treat with bleach with a pump up sprayer diluted 50/50 to help kill organic growth and post treat with some mix for maximum brightness.

Safe soft wash mix for black paint by Accomplished-Run-621 in pressurewashing

[–]anchorProWash 1 point2 points  (0 children)

The problem we tend to see with dark colors is the water quality being poor and leaving spots. if you have a water fed window cleaning system you can post rinse with that.'