The fact that the plants are improving after the apparent increase in oxygen
at the roots suggests to me that your medium does not allow sufficient
ambient air flow to the root system.
If you modify your medium to open it up more, it's cheaper than buying
hydrogen peroxide all the time!
Ray Barkalow First Rays Orchids
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I never had spectacular results with my paphs. After listening to
Jack's program presented at a society meeting, I started "watering" my
paphs with 3& h202 once a week and they have shown the benefit of extra
O2 to the roots. It breaks down quickly, but not before the roots get
the benefit. And seeing his plants, you've gotta be a believer!