You found out why it is not a good idea to mix ammo. If you have problems, then, by keeping the same ammo together, you can quickly identify if the ammo is giving the problem.
Sorry for asking so many questions, but with the new people who read the posts, it is advisable to provide as much information as possible.
"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."
Life Member NRA
Life Member NAHC
Former President of the ECPT (Eifel Combat Pistol Team)