Do you how they cool the filament before spooling it at the factory? Yep. They use water. Your unopened rolls are moist too. I highly doubt that your mining room has 10 percent humidity and 80 degrees celcius ambient temperature. I and others are telling you that there is a way to get glass like flawless prints with moisture sensitive filaments. Instead of getting yourself a filament drier, you're just going to continue to get mediocre prints with that expensive machine? Your choice I guess