this post was submitted on 13 Nov 2025
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Not sure if anyone has seen this before but I bought two spools of PETG from Elegoo, one in white and one in black. Their regular PETG, not the rapid one.

Yesterday I printed with the white spool and it worked pretty well.

Today I tried to print with the black spool and the filament would not come out of the nozzle. I tried diagnosing the problem and ended up swapping nozzles, taking apart the nextruder and putting it back together. Then I tried printing again and again the filament would not come out. I swapped back to the white filament because at this point I've essentially ruled everything out except the filament and the white filament worked. I then tried the black again and it would not print. I cut off about 10cm of the filament and tried again and same issue. Finally I cut off about another 50cm and now it started to print.

I'm not sure if this has happened to anyone else or if anyone knows what the issue is. It's almost as if the filament refused to melt or had an much higher melting point vs the rest of the spool.

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[–] SaveTheTuaHawk@lemmy.ca 1 points 2 days ago

PETG really is variable from suppliers. It ranges from easy as PLA to unprintable.