There is a bug with the Admixture potion(s)
The potion is NOT boosting the experience by 100%
This applies to the Minor Admixture Potion; I did not have a Potential Admixture Potion to check out.
I used the same ships, same commander at the same level, same node, over a linear time span of an hour.
[Level 51 commander, 74 frigates, L5 node]
I took sample data prior to the use of the potion, during its effects, then again afterwards. The boost (or lack of) was verified in the equipment page of the commander.
PRIOR to use of minor admixture
DURING the effects of the minor admixture
AFTER the minor admixture wore off
I noticed this problem on a previous usage but took no data on the first try. After 2 usage failures with data on the second attempt there seems to be proof that there is a bug with the minor admixture potion. Someone should try this with a potential admixture (I did not want to waste more b-credits) or the devs could give me one, and I would be happy to do the same experiment.
Sorry for such a thing. If you login for three day continuously, all of the commanders can get certain experience addition. But this potion only aims at a certain commander, who using it will get double experience in battling.
Hope this can help you and enjoy yourself with our game. Happy every day!