You have to keep the filament organized, clean and dry all the time.
- Damp filament will lead to stringing issues and bad surface quality.
- Dusty filament will clog the nozzle.
- Twining filament will cause printing failure.
We would recommend you to store your unpacked filaments in sealed containers right after a print task if:
- room humidity is higher than 50%
- and you won't use the filament the next day
Here are two solutions for your reference: