I'm in the Pacific Northwest, pretty humid. Where I have the trays they are in an almost constant breeze with temps from 60-70 f. The pots are also held off the bottom of the trays getting air circulation all around. They are mostly a mix of odcdm and wils orchids grown in the clay 4 inch orchid pots with a coarse bark mix.
I have been using the skewer and weigh method of determining dryness as well as looking for moisture in the side drain holes. I don't think that I should have any issues with overwatering, but I'm still kinda new and needed advice.
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