this post was submitted on 29 Apr 2025
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Was it left open + maybe in a humid area? Brittle usually means wet filament.
I bought it before COVID but I opened the box just one week ago. It was wet (lots of stringing) but after a quick drying session it printed ok (photos coming soon). Then I put it back in my IKEA dry box
Was it in an air-tight bag in that box?
Hydrolysis is not reversible.
You didn't dry it enough. You only dried the outside, the inside was still wet and brittle. Once you used up the dry stuff it broke.
How quick is quick? I have a heated dry box, so all new filament gets at least a 24 hour spa treatment. If I know it's wet, it lives in it until color indicating silica gel no longer changes, then another day for good measure.