I'd work out how much you need to get to your goal and buy that much plus a bit extra at the same time, then you're not having that issue. The green borneo is OK from kbird but the other strains atm are crap. Another thing to note about them is when that runs out it takes them months to restock so keep that in mind. I've been through that when I was tapering and it's a nightmare because you don't know what to do when the quality is all different. You will gradually feel better the lower you