In proving any hets you should try breeding them a second time if they dont prove the first try. This way you have played the odds. As far as proving poss hets it is best to put them to the morph for best chances. Now sometimes you hit the lottery. A buddy of mine produced an albino pied last year on a poss double het breeding. He was in touch with the odds gods that day lol. Working with poss hets is a good way to get started in the breeding game if you dont have alot of money to work with. Worst case scenario you end up with a bjnch of breeder females for your codom stuff in the future if they dont prove