I can't believe Mechanics don't know How to Recharge AC system correctly!

I can't believe Mechanics don't know How to Recharge AC system correctly!

The Number 1 cause of Car AC not working is such a easy fix. Some mistakes are so simple example performing the Recharge in the shade. Arctic freeze auto AC Recharge Synthetic refrigerant with stop leak, A/C pro refrigerant are just some good brand Refrigerant that can be used. #mechanic