Are you higher altitude? I am at 2800 ft, so no need for me to adjust baking times. I tried some of the tips here (just for the starter, I use a different bread recipe) and it improved my loaves considerably:
https://leavenly.com/how-to-make-high-altitude-sourdough-bread/
Oh, and hi from a new chicken keeper! I'm a long time cookie and cake enthusiast. I began baking bread during the pandemic, including sourdough. I've been enjoying Amish friendship bread as well!
It's been a year since I've bougkht bread