Congrats on those beautiful blooms! I don't know what's more amazing; that it took 10 years to bloom, that you actually kept it for 10 years without it blooming, or that it's in a 2 gallon pot! What a monster!
Yes, these Onc intergenerics do take a lot of water, they seem difficult to overwater.
__________________ Camille
Completely orchid obsessed and loving every minute of it....