It is sap. The best thing to do is take a flexible scraper (think putty knife) and shave off the little drops and dribbles. And then enjoy the natural look of your ceiling!

puhleeze pick me! monkey needs a new woobee!!!

I can't find this online - do you have a link?

I was unable to use the manual pump, despite best efforts (low milk producing, even lower patience after trying 10x!). Before spending the money see if you can't borrow one from a (v. close) friend...