Bumpy first layer with PETG - 3D Printing Stack Exchange

When I print with PLA, I get a perfect first layer. However, when I print with PETG, the first layer looks like this: I've read all the info that suggests reducing the temp, speed, and increasing

Any idea what causes this pilling and mess on the first layer? – Assembly and first prints troubleshooting – Prusa3D Forum

Need help with my PETG parts and rough layers : r/3Dprinting

PETG-CF Solid Infill/Top layer tearing on larger prints - Filament - Bambu Lab Community Forum

Any idea what causes this pilling and mess on the first layer? – Assembly and first prints troubleshooting – Prusa3D Forum

direct drive - PETG Benchy boogers and stringing - 3D Printing Stack Exchange

3D Printer Troubleshooting Guide

Issues with print Prusa i3 infill breaking and causing clogs - 3D Printing Stack Exchange

SainSmart PETG Filament 1.75mm for K1 Max, 3D Printer Filament for High Speed, GT-3 Glossy PETG for Most FDM 3D Printers, Dimensional Accuracy +/-0.04mm 1KG (2.2lbs) Spool White : Industrial

First layer issues - Prusament PETG – How do I print this? (Printing help) – Prusa3D Forum