I only unwind the length pva needed for the print. The rest goes back in the silica gel protected bag. Cost me some extra length, but i can use almost the whole roll. And the S5 stops when it detects end of the piece i cut.
Btw, i use Polymaker PVA S1, never any problems since i use this method with this material.
And, breaking pva is to dry, to flexible pva is probably to wet...
Edited by RudydG
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Carla_Birch 116
PVA is a tricky filament to get printing, it really can take in water fast. So even a brand new spool might not be as dry as you think, so it's best to always dry it out first and then print it from a dry box, something like the polybox.
You can dry the PVA folllowing this guide: https://support.ultimaker.com/hc/en-us/articles/360012057799-How-to-dry-Ultimaker-PVA
Or better yet get a Food Dehydrator, so you can be drying filament out why still being able to print with your printer.
It's also worth cleaning the BB core out just incase you got a part blockage of the print core.
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