Sorry, I should stop being a whinning impatient newb. After 30 minutes with a fan blowing on the trays from across the room the goo in the tray with less progress and completely dried to a powder
This was oily goo 30 minutes ago. Less than 30 min of a gentle breeze from a fan achieved better results than the trays sitting for 24 hrs room temperture with very little air flow.