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This is a discussion on Fuzzy Hydroton within the Orchid Ailments / The Compost Pile forums, part of the Orchid Culture category; Originally Posted by cindiras That is not what I had in one pot. I knocked ...
@jkhom -- So did you have to remove the plant and then spray...or did you just spray directly WITH the plant in the hydroton?
I do have Physan20. I'll go ahead and give it a try. I had another plant that used to do the same thing, but it just went away on its own. The plant doesn't seem stressed at all. It's putting out a bunch of new roots and it even has 8 buds (one will open today!!) and a keiki on the spike. I just don't like this fuzzy stuff.
I saw this kind of mold too on a couple of my plants (on semi-hydro but with some perlite/charcoal mixed in). I got rid of my problem by repotting the plant with straight hydroton on what I call a "shallow pot" (media is ONLY 4" deep or less) and added some holes at the bottom to get rid of excessive water so that it doesn't stay wet for longer periods, e.g., the entire week. Afterwards, it was bye-bye mold for me... As for the affected plant, I don't think the mold was harmful to it but it was an indicator that there's standing water at the bottom of the pot and all the (healthy) roots were rotten
Last edited by harveyd; December 29th, 2009 at 10:08 PM.
I think increasing air circulation would be a good thing. less fuzzy growth for sure.