Stick with the 10x the RDA of B2 as outlined in step 4 of the Dilution sticky thread. Keep this in mind: with creatinine and specific gravity checks becoming the norm, sample color became the least aspect in determining an overly-diluted sample. Even samples with a nice yellow color to them can still fall below the acceptable limits for creatinine and SG.

Skip the aspirin step because it is old tech. Back in the day, aspirin was used as an interferant for only one type of test: the first-generation EMIT screen. Since then, a second-gen EMIT (aka EMIT II) introduced to tackle the interference issues caused by aspirin. As a result, the first-gen EMIT is seldom used anymore (if, at all).

BTW ive been drinking beers for 2days now, will it help the dilution or not?
Drinking fluids is only helpful on the day of the U/A. Any fluid consumption days before the U/A is of no help. It may cause frequent urination, but it has no effect on GFR (the rate in which the kidneys filtering THCA from the bloodstream).
Forget the beers and drink gatorade instead. I will not go any further beyond this as to why because discussing alcohol use is off-topic and in violation of the rules on this board.
:admin1: