Quote Originally Posted by Flickerdart View Post
Yeah, and then on the next turn, you recover psionic focus and infuse it again. Because you are not actually investing any essentia, goes the thinking, the 1/day thing never comes into play.
Interesting thought, but the 1/day comes into play for more than allocating essentia:
Once per day, you can invest essentia into this feat and choose one or more spells that you know (and have prepared, if you prepare spells) to apply the effect of a metamagic feat that you know.
Emphasis mine. The one time the caster gets to "choose one or more spells [...] to apply the effect of a metamagic feat," he has 5 effective essentia to work with. After that, he can fill the essentia receptacle, but he can't choose the spells.