Citric acid for cleaning my stainless steel coffee filter

I switched from using Chemex paper filters for my pour-over coffee to a stainless filter. It works great, but it needs to be cleaned every week or so. I use citric acid.

Whenever my coffee starts to taste off, I mix about one tablespoon of citric acid per cup of hot water into a large glass bowl. I drop the coffee filter in for around 30 minutes. A light…