If you are a do it yourself person, here's how i do it. I lay a tarp in driveway, get out the hose and a bucket of soapy water. Take down "open" blinds and lay on tarp. Wet with hose and with a soft broom or mop, dip in bucket, swish over blinds both sides. Then hose off. Stand on end to drain and lean against house. Takes maybe 5 minutes or less each blind. Ready to rehang in less than an hour.
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