I’ve seen many debates about the need to dry PLA filaments. Looks like some people never need to do anything while others dry the hell out of them before printing.
I’ve been recommended once to print at 10% RH… After 48h of drying, I can barely get below 37%…
So: what’s the humidity level in the room your printer is?
I just finished out some PLA spools I’ve had for a couple years now. They’ve sat in the open with no drying. Humidity sits in the mid 40s generally right now.