“Are there any chemicals I should be avoiding? I was planning on just using a vinegar/water spray, dish soap, baking soda and some soft scrub.”
"That is a beautiful sink. Use gentle dish soap on it. That’s what my great grandma used on hers. It wasn’t as beautiful as yours, hers had just plain ivy. She also used a leather car chamois on hers after every use"
#12 same for the shower head...