A minimum of eight hours, twelve or so is better. Let me ask you this: was the breast fresh or natural, meaning no added solution? It would indicate it on the package. If the breast is pre-injected (which many are) brining is not much help anyway.
IMBAS Certified MOINK Ball maker and IMBAS Sgt. At Arms.
And now, brethren, I commend you to God, and to the word of his grace, which is able to build you up, and to give you an inheritance among all them which are sanctified. [Acts 20:32 KJV]