When should you upgrade the nozzle in your 3d printer?

I’ve heard a lot of different reasons from a lot of different people on why brass nozzles wear down and what the best ways are to keep that from happening. In this video, I detail what I know, and I invite corrections to any information I may have incorrect.

E3D Hardened Nozzles:
http://printedsolid.com/products/e3dhardenednozzle?aff=2

Micro-Swiss Plated Nozzles:
http://store.micro-swiss.com/collections/all

“Why You NEED a Hard Nozzle! Filaments & Nozzles Under the Microscope” from The Hot End:
https://youtu.be/vVquEtmekDw?t=4m22s

Affiliate Links:
== Patreon: http://3d.pn/patreon
== 3D Printing Nerd shirt! http://3d.pn/shirt

== Printed Solid: http://3d.pn/printedsolid
== Matterhackers: target=”_blank” rel=”nofollow”>http://3d.pn/matterhackers

== Amazon US: http://amazon.3dprintingnerd.net
== Amazon Canada: http://amazonca.3dprintingnerd.net
== Amazon UK: http://amazoncouk.3dprintingnerd.net