How to Clean and Passivate Stainless Equipment - Brewing Kettles, Fermenters 

YES!! I am doing a video on it soon!

Glad you got something from the video!

Are you using filtered water if your water is hard? Mine will leave deposits if I let it sit and air dry.

Thanks for watching!

We appreciate it! :)

Thank you for watching!

Thanks!

Yep - Citric acid isn't as industrious but it can be a great option - especially if you're looking for a cost effective and environmentally friendly acid.

Nice! Muchos Gracias:)

You would need about 1.5-2oz of saniclean per gallon.

lol

Yep! Basically when the brown build up gets too much for your liking.

Another question. If you just wash the pot with PBW at normal concentrations, do you have to do the acid too? Or only when you do a deeper clean like this?

There’s been debate about rinsing on some of the forums. Seems some people have not rinsed and the tanks became discolored and others say they’ve had no problem. I’m curious as well if these guys have had problems with no rinsing.

Contact time is a product of chemical concentration and temperature. Relatively weak solution like this is heated to 60 degrees C in order to effectively work within a 1-1.5 hour time frame. You could reduce the temperature and increase the contact time. As a rough rule-of-thumb, double the contact time for every 10 degrees C you lose. i.e. at 60C, it's 90 minutes. At 50C it's 180 minutes. At 40C it's 360 minutes, etc. Always rinse after passivation. Preferably with demineralised/deionised water. The argument being that the chlorides in tap-water can have an adverse effect on the reformation of the passive layer. In practice though, as long as your tap water is of a decent standard, you'll probably be alright... The chemicals used in this video are a nitric - phosphoric acid blend. They're corrosive and you don't want to leave them the surface. The pickling and passivation "bible's" are ASTM A380 and ASTM A967. Get a copy of either of these. They explain the various options and technicalities with regards to this process better than I can here. Oh, and be safe! The concentrate chemical contains 38% nitric acid according to the data sheet. That won't "melt your skin off", but it will cause severe burns - and you'll lose your eyes if you get in them... Have fun!

Definitely! I am doing a video on it soon! MUCH cheaper option

Are you guys running a brew store & if so is the store online. Can I order stuff from your store online? I live in a rural area ...so no place for me to get any brew supplies with in 200 miles. I would like to support the places / people who I look to for all the great brew info I’ve gotten like your RU-vid channel. Cheers! 🍻😊👏

The acid cleaner is a tough one to buy online because it is technically a HAZMAT shipping item so a lot of places don't mess with the shipping hazard. We are a brew supply store, however for the HAZMAT reason we cannot ship the acid cleaner :( We appreciate the support though!

Saniclean will work though at a higher concentration (linked above)

The one we use seems to be out of stock everywhere - but here is another submersable water heater: goo.gl/DhMr6k

Thanks!

What's is the model name? Our is it generic chinesium?

Love us some Disney! :p

Scrolled for this comment. How to tell that someone has kids without them telling you.