Roof runoff after

This is mainly a question about run off after roof has been washed and rinsed. Had two roofs I washed. Came out great. Rinsed both well…
Next day come back and obviously the roof still dripped dry overnight and there is dripping stains on the fascia etc. plants are fine I protected them. I guess my question is do I need to rinse the roof more thoroughly or how can I prevent this “brown” run off from showing along the fascia of the home after.

Don’t rince them at all. let Mother Nature do it with thousands of gallons when she’s ready

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