that is fine though. If you only have a cheap blade grinder at home, the ones in the supermarket are usually super high quality. Also the coffee is still somewhat freshly ground then.
I have heard that professionals or just people that are really into it can taste the difference after a couple of hours. Most other people can taste the difference after 24 hours. The coffee isn’t shit then, it just has noticeably less flavour and might taste a bit stale, as the coffee oils oxidize more quickly.
I am sorry … i know in which thread i am …