You have to learn when, where and how to use the balls. Besides, different reaction types won't help much if the balls are all only suitable for a small condition window, due to coverstock strength or surface prep. The reaction is just one piece of the puzzle. Curious as cool rockin daddy how you came to settle on your arsenal?
Besides, it is IMHO always helpful to have a strategy at hand how to adjust in the course of play - but that's individual. You should know with which ball to start, on a basic line, and how to adjust from there once thing start to change, e. g. moving deeper or closer to the gutter, change hand position, switch to another piece, etc.
That's what training is for - get to know your equipment, and make sure it is complementary both condition- and reaction-wise, and learn to read the lane. The latter is easier said then done, it needs some experience to make the right decisions, at the right moment. But if you get it right, you have IMHO a cutting edge in tournament or league play - that's when you truly learn to "play" bowling, not just toss balls

Good luck, though!
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DizzyFugu - Reporting from Germany
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