>>12804637I have three pieces of advice for you:
Wait at the bare minimum 7 days for your tolerance to reset before tripping again. Approximating your dosage based on how strong you think your tolerance is is an awful idea since you won't have any idea how strong the trip is going to be and you're gonna have to use more shrooms to get high which is just wasteful.
Low dose trips actually have a much higher potential to produce bad trips in my opinion. The range from 1g to 1.5g tend to just feel like really strong indica edibles, you don't really get a full psychedelic experience out of them and you're much more prone to anxiety on low dose trips.
Don't trip so often too. The general rule is once every week for your tolerance, once every two weeks for your sanity, once every month for the experience, once every three months for the magic
If i were you I would simply wait until you feel ready for your next trip then down all 2.8 grams. A bad trip is seldom caused by the dosage specifically; It's almost always your set and setting going into the trip.