Candyflipping is mixing LSD and MDMA.
So you are going to be taking LSD two days in a row? In that case, you actually REALLY have to account for tolerance, my friend.
Rapid tolerance build-up prevents regular use, and there is cross-tolerance shown between LSD, mescaline and psilocybin. This tolerance diminishes after a few days without use. From experience, I know you can take LSD with ~72 hours (3 days) in between and have NEARLY the same intensity of experience.
However, when dosing two days in a row like you are talking about, you literally have to double up. If you took 3 hits the first time, you need to take 6 the second time if it's 24 hrs. later. Might I recommend taking LSD alone the first night and then candyflipping the SECOND night? (I don't know it just sounds better to me)
I don't know what "medium grade" even means man. I would need some sort of estimation. Some people think "high grade" is 100 mics, while high grade to me is like 200 mics - I guess everyone's gauges are different.
Have you taken these doses before? If so, how many and how was it? If not, depending on how experienced you are with psychedelics and the unknown strength, I would take somewhere between 2 and 4 your first night, and then the second night, you need to double up (so if you took 4 you would want 8 )
good luck man
lots of shady people at these big events who could try to scam or harm you