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Anyone mineralize water for brewing? (self.coffee)

submitted 1 year ago by KammicRelief to c/coffee

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We just installed a reverse osmosis (RO) filter system at our house, because the tap water tastes gross. I tested the TDS and it was 3ppm! I thought "oh that must be great, pure water," but my friend told me you actually want minerals in there to help extract.

So... Anyone else in this boat? I know there are RO systems that will remineralize after the filter, but ours doesn't.. And I don't think I want to uninstall this beast. I know there are little drops you can add, but they seem expensive... Just wondering what y'all other home brewers do. Thanks!

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[–] slipperydippery 3 points 1 year ago (1 children)

Yes, brewing with pure RO water will not produce great results. But luckily you can make your own re-mineralization drops with baking soda and Epsom salts, so that's pretty cheap.

You can start by taking a look here: https://www.baristahustle.com/blog/diy-water-recipes-redux/

Beware, the rabbit hole is deep :)

[–] KammicRelief 2 points 1 year ago

I ended up ordering a calcium/alkaline cartridge to put at the end of the filter chain. But now that I know of this rabbit hole, I think I'll be checking it out someday! Thanks :-)