What do you think? If you had 1 vial testosterone cypionate and 1 of enan, would you switch it up mid cycle or mix the two the whole way through? Or would you just say the hell with it and make sure you got the same ester?
It dosen't matter bro, test is test, period. Interchanging them on a weekly basis would be fine if you wanted to but I don't really know why you would.