Yep, that's what I've been doing. I have two 2gal. sprayers, one for fert mix, and the other for just rainwater. The fert mix is turned to a fine mist. But the water sprayer gives a pretty good hose imitation. I use up the rainwater incredibly fast these days as we've been having lower humidity and wind! Now that I have 'ventured into Vanda land', there's a lot more spraying of water going on.
Maybe I will just attach that baby to a new piece of bark, and see how it does.