Would it be possible to have a button that sets the milk level back to 0 ml in the special menu?

The reason I ask this is that the draining animation only works at a certain rate. Unless the rate of drain for milking can be increased.
It often takes 10% less time to quit the game, and reset all the values by clicking rapidly than if you try to drain all the milk for a second run, or having to click the size all the way down, then all the way back up again.

So I'm wondering if such a button could be added to make resetting a bit faster without having to re-click all the settings continually.