Hopefully you added one that has the oil mixed in with the Freon ….. not a real big deal if it didn’t but will be good if it did.
OK, I did a little more research rather than being afraid to overcharge it. I just held the can there and continue to shake it not even looking at the gauge and it took the whole can now it’s blowing cold time. Will tell if it’s leaking down. thanks for all the heads up

