Two days caps off here, for some juices that have an alcohol taste or odor to them, one day lids off for others, and some juices I prefer fresh and the first few weeks, so to slow down the steeping process, caps on at all times. You need to learn what works for you for a particular juice, trial and error, and ordering and reordering unfortunately because until you tried a given juice at every step of the way, which includes UNSTEEPED, fresh from delivery, you will not know when that particular juice has "peaked" for YOUR TASTE.
So yes, I highly recommend you try it fresh, to compare with 3 or 4 days later, to compare with 1 and two weeks later, a month etc. Then if you find that you liked it better say, between weeks 2 and 4, then you may want to do just one day lids off as that might extend the "peak" with the next bottle for an extra week, like weeks 2 to 4.
Trial and error, trial and error. Oh and take notes so you aren't left trying to recall what you did last time, when the peak hit, etc.