Hi, I was given a bit of starter in a jar with a lid by a friend and I will be keeping it in the refrigerator and feeding it once a week. I would like to know whether I must cover it for the 2 hours or so after feeding that I leave it at room temperature? Also please tell me if I must cover it when keeping it in the fridge. Can I use the jar lid or something breathable? This post is helpful but didn’t say much about covering or not. Thanks in advance!

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