How long do the effects of A314 last? 3-4 hours or more?
yeah something like that. depends on what climat it is and wether youre sweating much or not (it can fade away).
I thought something like 4-6 hours.
A314 in oil form has been reported to last for much of the day, sometimes even 12 hours. Many users including myself notice much stronger hits with A314 almost 6-8 hours after application. Some earlier users would even apply A314 after taking a shower in the night right before bed to get stronger hits in the morning. I think there is a year old post by Josef somewhere about this.
Note that this is from an older version (version 9 I think). Current version may behave differently!