From your experience, how effective is physan in treating orchid rot? More specifically, black rot and soft mushy rot that seems to come back even after cutting. And yes I follow the sterilization and air circulation "rules" but
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Also, how effective is physan when sprayed on healthy plants as a preventative? I'm having orchids that looked great a few days ago and now they're rotted away.
I hear it mentioned a lot, but I've never used it. I also heard from people that it's not strong enough to deal with rot, so I'm not sure if I should just skip it and go on to use Phyton 27?
Where is the best place to buy phyton 27?
How effective is physan?
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