I was looking for some info on brewing as I am always researching it and I came across this website called lear to brew but it is really just a web store but the prices aren't that bad and they have the same flat rate shipping as Northern.
I'm switching from Sodium Metabisulfite to Starsan and PBW as my standard cleaners and sanitizers from now on. Here is why. Listen to this interview (it's long, but REALLY good info) and it'll bring kick your homebrewing game up a few notches.
Kegerator Supply - Can be a little difficult to work with at times because they're such a small shop, but they have good prices. Communication can be slow. Call the shop instead of emailing them.
a little too $$ and the folks who work here give out questionable info. They will generally order anything you ask for, but be VERY specific in what you ask for.