Originally Posted by
XJ
For alumahyde, I took a few pieces of Home Despot metal rigid duct and a milk heater to make a forced hot-ish air system.
Tee on the ground, with the run vertical, and the heater facing into the branch with some foil to make up the gap. Moderate length straight piece extending up from the tee.
Metal parts hung on wire down pretty low, plastic parts hung from wire higher up.
Ran it out in the garage for “long enough” then recoat & repeat. Seemed to turn out better than air-drying alumahyde for weeks.