2008 Pathfinder LE V6 AC System Refrigerant Recharge - DIY

My Pathfinder's AC system started to blow warm air after being on for around 10 minutes. Here I am trying to remedy this issue with recharging the system with refrigerant, and it worked as far as I can tell, link below to some items, you will also need a quick coupler adapter set, cheers.
R-134A Refrigerant at Walmart, but you can get it anywhere really as long as it is the same type
www.walmart.co...
Yellow Jacket Charging manifold from Amazon, but does not have to be this brand or this site as long as it does what this one does
www.amazon.com...
Robinair refrigerant electronic charging and recover scale, or any other brand that does the same job
www.amazon.com...
Certified A/C Pro test thermometer or something similar
shop.advanceau...