Unanswered Issues with new filament

Hi,

I've recently bought a new filament spool from a local store and it's been a nightmare to print with. It's supposed to be regular PLA, but it's recommended printing temperatures are 200-220ºC which seems pretty high, which makes me suspect there's something different in its composition when compared to "real regular" PLA

At any rate most of the prints I did with this filament suffer from under extrusion. Sometimes it just misses some layers and has some incomplete layers and then recovers, other times it starts under extruding and then stops extruding altogether.

When cleaning up the filament is always pretty ground, but even when it has stopped extruding altogether it never has a complicated to remove clog. I was always able to easily remove the filament, get my cleaning filament through, clean up the bits in the drive's teeth and resume printing.

I suppose I can just blame this on the filament's quality and move one, but I was wondering what else I can try to get this to print. I've been following what I've learned over the time and also some online resources (please check below) and so far I've tried:

• Printing at the maximum recommended temperature for the filament (220ºC)
• Reducing print speed to 30mm/s
• I've "manually" checked the temperature over the heatbreak after it stopped extruding and, while it was warm, it was not burning hot so I don't think it's a heat creep issue

I was thinking next of trying to disable retraction, and then if that fails trying to reduce print speed even further. Does this seem sensible? Anyone has a different suggestion?

Thanks in advance

https://www.simplify3d.com/support/print-quality-troubleshooting/under-extrusion/
https://www.simplify3d.com/support/print-quality-troubleshooting/stops-extruding-mid-print/
https://www.simplify3d.com/support/print-quality-troubleshooting/grinding-filament/