How do I dry LW-PLA? Given that heat expands the filament, can I still dry it in something like the SUNLU Filament Dryer Box?
Hello, the answer is in the question 
I use the SUNLU S4 dryer for all filaments and I’m very satisfied with the results because I’ve never had a problem with a wet filament during printing. Whether PLA, PETG, PTU or any other filament. For LW-PLA, use a low temperature (55°) for a long period (6h or more).
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Thank you… I’ll do that. I’ve never used a dryer… just re-useable desiccant packs. I’m looking forward to seeing the difference.