Vinyl Siding Oxidation - PW blotchy

Hello everyone,

Seen the issue in the pic below before? Yep, it was my first pressure washing and I didn't check for oxidation.
Is this a fixable situation?

I've heard HW and PW another time can help it blend and then a brush with Purple Power to feather it away and blend.

Thanks for any help you guys have.

Nick
Roysiding.jpg
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