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 ...

Water spots can be a real annoyance. You clean your glassware and think it’s been dried properly, only to pull out a foggy, spotted glass that no one wants to drink out of. Enter the coffee filter.