[ajb]

Always been a bit suspicious of that since it contains oxalic acid, which is toxic. I assume it's water soluble enough to get rid of easily before you use the surfaces for food though.

[ydant]

> oxalic acid

The benefit of using oxalic acid for cleaning, apparently, was discovered as part of the process of cooking rhubarb:

https://barkeepersfriend.com/oxalic-acid-magic-of-bkf/

[wlesieutre]

Definitely rinse thoroughly, with the exception of vinegar there's not a lot of cleaning products you want to be eating