RO is really important (along with remineralization), but you can buy RO water without a filter, so if you're not making several coffees a day, maybe it isn't w

RO is really important (along with remineralization), but you can buy RO water without a filter, so if you're not making several coffees a day, maybe it isn't worth it. If your supermarket has available RO water to fill jugs even better.