Re: Buffering capacity

[IDMiamiBob <IDMiamiBob@aol.com>]

I wrote:

><< >I noticed that Mardel's product line referred to as "Waters of the World"
>>makes reference to buffering capacity being measured in parts per million.
>>This strikes me as odd, but I guess that I don't really know of any other
way
>>to measure it except to say it is stable, fairly stable, highly stable, etc.
>>(Certainly not very informative or scientific).
>>
>>Okay, so does anyone know parts of *what* per million?
 >
 
Steve answered:

> Two assumptions.  One is that buffering capacity is equal to carbonate
> hardness.  Two is that all carbonate hardness is from calcium carbonate.
> The conversion is one dKH is equivalent to approximately 18 ppm CaCO3.
 >>

Sounds okay, but the side of the box says that South American water is ideally
60 ppm General hardness and 120-180 ppm Buffering capacity.  Your explanation
is inconsitant with the box info.  Any other ideas?

Bob