Hi, I've been playing with 23lbs string tension for about a year. I'm wondering if there will be any very different feelings with my freshly strung 25 lbs string tension?
depends on how good/bad your technique is. And how developed/strengthened your muscle structure in your arm is. Test it out and see for yourself. No one can surely know but you until you try it. You may find you have lost power and theres no control because the tension is too high for you, on the other hand you may find an increase in both and amuch more consistant game.
If you have good technique, no problem. If not, you will feel some pain and difficulty hitting strokes. I used BG70PRO at 25lbs with a crank or drop weight machine, then moved to BG80 at 26lbs ECP, it was a bit tight at first, but after a while you get used to it and enjoy the higher tension better.
if you can easily hit high clears base to base, you should be fine in most cases. overall, you should keep on trying and search for your optimal tension range. of course, this can only be done if your technique, physical shape, and such are well established. I'm sure you will enjoy the high tension feel.