Once you hit the “Chopping” stage, your Balance will be updated every 15 minutes. However, you will not necessarily earn fresh Balance during each interval. In fact, it’s highly likely that you will experience several time blocks where Salad is Chopping away fine, but you earn zero Balance. Fear not, as despite the irregularity, your average earnings should be close to the expected earning daily/hourly earning rate for your GPU.
Your earning frequency is dependent on Share Tracking - the mechanic behind crypto mining payouts. While your computer is hashing for six hours straight, you may only “find” and submit shares during the last hour of this period. The first five hours were not spent idly, you simply didn’t find anything worth payment thanks to the “luck” involved with mining.