How often do you use a fungicide???

[GloriaGatti]

Hi Nick and Camille, Thanks for your help.

I recently added circulating fans to the orchid shelves - so I should be OK there. The fungus started late Nov - just about the time I brought the orchids in for the winter. Since I've sprayed three times there hasn't been any further spread AND the infected plants are doing better. I'll wait and see what develops.

Would spraying with Cinnamon be a good idea as a preventative?

Thanks again,
Gloria