Ask Mr. Wizard

Dial In Your Brewing Water No Matter The Source


Doug Milroy — Sydney, Australia asks,

A lot of recipes and water articles give mineral levels in ppms (parts per million). How do you test these figures? Or do most brewers start with reverse osmosis (RO) water and add set amounts of water salts?

Thanks for the great question about water. I will jump into the middle of the pool here and try not to stray towards the deep end where the abyss of things not
Response by Ashton Lewis.