Using Vaseline to smother the mites, how long does it take, on average, to clear up scaly leg mites? I've read 3 weeks-ish. Is that everyone's general consensus? (P.S. I think I caught it pretty early, as I've seen pics of feet much worse than hers.) I'll add that she's a barred rock who is supposedly 1.5 years old. I just acquired her from a friend...and she's not in the coop/run with my other hens yet.