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Possible Duplicate:
How can I put minerals back into distilled or reverse osmosis water?

This weekend I'll be brewing a recipe from Mitch Steele's 'IPA' book. The recipe has a very exact water profile, so I decided to use RO water and build the water with salts.

The question is, when do I add these salts? I can add them to the mash water. I can add them to the sparge water. I can add them to the boil kettle. I can add them to all three. What's the best approach?

marked as duplicate by baka Oct 4 '12 at 15:41

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    The linked 'duplicate' question doesn't really cover the same information that I'm looking for here. In that question the top answers get into what minerals to add & why, but I'm asking When to add these minerals. – Hopwise Oct 4 '12 at 15:51
  • I agree, Hopwise. Something I just learned is that gypsum does not acidify plain water, even though it lowers mash pH in the presence of the malt. Even, so this might be more of a wiki-style question since its a bit open-ended. – Graham Oct 4 '12 at 17:13
  • I feel like "How do I add them" is sufficiently similar to "When do I add them" to make the questions pretty much the same. I don't think that aspect was answered adequately, but I'm not sure that it warrants another extremely similar question. – baka Oct 5 '12 at 15:47

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