Composite deck+pressure washer=bad


PWRFULZ3R0

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Looks like too narrow a nozzle, if that's how your pressure washer works.  It looks to me like a 15 degree nozzle.

I use a mixture of bleach and TSP.  My pressure washer has an injection pickup that only works with the widest nozzle.  Starting at the bottom and going up everything is soaked with the bleach solution.  Rinsing is done with no smaller than a 25 degree nozzle, and sometimes wider than that depending on the surface.

If your washer doesn't have an injection system, you can use a hose end sprayer.  I do that fairly regularly on our dog porch pavers.  Then it can be helped off with the pressure washer, but only with a fairly wide fan nozzle.

I think leave it and let it wear down is the best bet too.

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