ive had 10tabs of 115ug lsd lying around for over 6 months, in a baggy, in a draw, generally kept shut. will this have deteriorated? how much should i take for a good trip? ive taken 5 before and that was excellent, so what do you think?

I decided to do some drawing on my 2nd LSD trip. I have done it once before, in the region of 150ug, and it was good. Decided this time to go for 350-400ug. also had 2-3 spliffs throughout. Drew two things, one from memory, one from a picture. ended up being both from memory. A flower...