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Re: hardness correction

On Sat, 13 Jun 1998, I mistakenly wrote

> Noncarbonate hardness is 
> the amount of the general hardness that is not balanced by carbonates in 
> solution.  It's calculated as alkalinity minus general hardness, or 0, 
> whichever is largest.

Actually, general hardness minus alkalinity, or 0, whichever is largest.  
Wouldn't it be clever of me to proof my letters *before* I sent them?

Roger Miller.