To cover tightly, to cover loosely or not to cover?
HI! I'm new to sourdough baking and am excited! I have been reading and researching a lot. My starter is lively and ready to use. (King Arthur Flour starter which I have prepared for usage)
My question is about storing in the refrigerator. I am holding half of my starter for a friend for a few days. I presently have her half in a mason jar with a screw on lid. While keeping it in the fridge until I can give it to her, do you recommend I keep the lid on tightly? Loosely? Use saran wrap instead of the real lid?
The half I will be keeping is in a ceramic crock and is not air tight (also from King Arthur).
Would love your storage tips!
Thanks so much!!