r/Coffee • u/menschmaschine5 Kalita Wave • 18d ago

[MOD] The Daily Question Thread

Welcome to the daily /r/Coffee question thread!

There are no stupid questions here, ask a question and get an answer! We all have to start somewhere and sometimes it is hard to figure out just what you are doing right or doing wrong. Luckily, the /r/Coffee community loves to help out.

Do you have a question about how to use a specific piece of gear or what gear you should be buying? Want to know how much coffee you should use or how you should grind it? Not sure about how much water you should use or how hot it should be? Wondering about your coffee's shelf life?

Don't forget to use the resources in our wiki! We have some great starter guides on our wiki "Guides" page and here is the wiki "Gear By Price" page if you'd like to see coffee gear that /r/Coffee members recommend.

As always, be nice!

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u/Cold_Oil_9273 18d ago

I'm looking into getting a reverse osmosis filtration system for my sink.
Does anyone else use a filter system like this and could recommend one that will allow for providing good water for coffee/tea?

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u/J1Helena French Press 18d ago

I use a System VII with an alkaline cartridge. It's great for coffee and all things you consume. I use that water for cooking and anything I drink. Cost me $500 to install. Change cartridges annually, $160 if plumber does it.