Flasks are changing in patch 3.1.0

#0 - March 25, 2009, 10:33 a.m.
Blizzard Post
We are changing flask recipes so that two flasks will be created from the materials previously used to make one and at the same time we’re reducing the duration of flask effects so that they only last one hour. To help alleviate the effect of this change we are also increasing the stack size of flasks from 5 to 20, as you may now need to carry more in your bags than before. Also, the vendor price of flasks has also been reduced to keep the auction house deposit low.

The reasoning behind this change is to allow players greater flexibility when determining how long they plan to raid, as currently we were seeing many players balance time spent raiding simply around the remaining duration of flasks. We are also hoping that this change will make using flasks more appealing in dungeons and PVP encounters. This change will not be going live until patch 3.1.0, but we wanted to give you as much advance notice as possible in case those who are stockpiling flasks would prefer to wait to do so until the change is implemented.

We realise this change may make players who have already stockpiled flasks themselves, or in guild banks, feel like they have lost gold since their current flasks will only last for half as long. So to partially remedy this, we are going to allow players to exchange any current Northrend flasks (Flask of Pure Mojo, Flask of the Frost Wyrm, Flask of Endless Rage and Flask of Stoneblood) for two flasks with the shorter duration. These Northrend flasks made prior to 3.1.0 will be magically turned into “mixtures” which can be converted into two flasks with an effect duration of one hour.

Flasks from older content will not be exempt from this change and will not be converted into “mixtures” either. Instead their effect duration will simply change from two hours to one. So with the release of 3.1.0 it will only be possible to make flasks with an effect duration of one hour.
#2 - March 25, 2009, 10:38 a.m.
Blizzard Post
So 2 hours for Elixir masters right?
#37 - March 30, 2009, 5:05 p.m.
Blizzard Post
Q u o t e:
Mixology will work like it does now, if you know the recipe to create the flask, the flask will grant double the duration, so 2 hours in the new case.

Elixir Mastery is also being updated to work with the new flask design so for example where you got 2 or 3 extras before you will now get 4 or 6 extras. ]

]The new changes apply to all flasks. The only change specific to Northrend flasks is the conversion to mixtures for already-crafted flasks prior to 3.1. All other flasks will have their durations lowered to 1 hour when the patch is released. The material costs for all flasks will be cut in half as will the vendor sell prices.
Quoting for visibility.