I would use a caliper to check the filament size. If it's too fat for your bowden tube then it can cause the skipping.
Also petg shouldn't require drying. Usually the bubbling and maybe dripping happens when the hot end is too hot. I haven't tried this Hatchbox brand, but usually the petg brands that I've tried run best in the 238 - 245C range.
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kmanstudios 1,120
What machine and version of Cura?
Also, be aware that different colors and such can really cause a difference in your printing experience. That is why you can make and save material and printing profiles for each instance (My experience on Cura 2.4 and 2.5 in conjunction with a UM3X). Can be a bit of a pain going through a long list, but it is better than having to try and remember every little thing when you run into odd things like you describe.
But, if it is skipping, it would seem (I am guessing) to be underextruding. Try to raise the flow and see if that helps.
Also, do you hear what could be a 'popping sound' from the feeder area or binding on the filament?
A popping sound would indicate a tension adjustment is needed as it can grind and cause poor feeding.
A binding is when the filament sorta gets wound on itself and creates a friction 'knot', for lack of a better term.
There are far more experienced than myself, but just throwing stuff out there that has worked for me.
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