Due to the space limitations of a text message, please note that it is particularly important to read carefully, pay close attention to the context of the question, and use the answers as a springboard for further study.
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Q: If i want to reuse a glass food jar after the original contents are used up, should i tovel it?
A: Iggrot Moshe holds that you don’t need to immerse a glass food jar after its contents are emptied since we consider the (Jewish) purchaser to be the one making it onto a keli. (YD 2:40)
Q: Would the Greek yogurts that are blended with steel cut oats have a bracha of mezonot?
A: Are the oats raw?
Q: I’m not sure if they’re raw. The container just says steel cut oats.
A: It appears that the oats are raw and their bracha would then be ha’adama when eaten on their own and since it’s a minority ingredient of the yogurt the bracha would be like the bracha of regular yogurt.
Q: Food at coffee bean [in AZ] isn’t kosher correct? The sign says only drinks but someone said the pastries are kosher but I didn’t think so
A: Some of them may be but the particulars are unknown and subject to change to the best of my knowledge. See here for a little more information.
Q: Can I have seudah shelishet before I daven Mincha?
A: Yes if you normally attend mincha on Shabbat at a regularly scheduled minyan which alleivates the concern that the meal might make make you forget to daven.
A: Although there is a maverick opinion that holds that a pool is a valid mikvah, it seems to be completely rejected by the vast majority of contemporary authorities.
Source: Rabbi Isaacs Blog