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Re: Second Cacautoides Free Swimming!!

>Correct me if I am wrong, but I think 1 degree of hardness is equal to
>17.9 ppm.
>You also have to include both dgh and dkh to equal total dissolved solids.
>Let me
>know if this is incorrect.

Total dissolved solids can also include things like sodium chloride, which
will not contribute to either general hardness (total hardness to the
analytical chemist; Mg + Ca + Sr, etc) or the carbonate hardness (carbonate
and bicarbonate alkalinity).

Michael Schmidt
California State University, San Marcos
San Marcos, CA