Black Powder Rifle/ What grain of powder is best to use with a 250 grain bullet in a TC ProHunter 50 Cal?

Would you suggest 100 or 150 grain, or other %26amp; why?Black Powder Rifle/ What grain of powder is best to use with a 250 grain bullet in a TC ProHunter 50 Cal?
I personally choose to use 100 gr- 2 50 gr Triple 7 pellets. We have used 150 gr and it really doesn't give you any extra advantage on white tails. If you were going to hunt elk or moose or bear, go to 150, but anything smaller, you are wasting money...in my opinion.Black Powder Rifle/ What grain of powder is best to use with a 250 grain bullet in a TC ProHunter 50 Cal?
100 grain and powrbelt 245 ok thanks eddi
in mine and my wifes we prefere 100 gr it works for us.