Re: [APD] Storing large amounts of RO water & reconditioning RO water

[Vaughn Hopkins <hoppycalif at yahoo_com>]

Out of curiosity, does your use of MgCO3 and CaCO3 for GH give equal KH 
and GH?  I would think it would, since both are expressed in CaCO3 
equivalents?
Vaughn H.

On Friday, February 24, 2006, at 01:39 PM, Jerry Baker wrote:

> Vaughn Hopkins wrote:
>> It is GH that is affected by the Ca and Mg.  KH is measures carbonates
>> or bicarbonates instead of Ca and Mg.  You could use baking soda to 
>> get
>> more KH, but that adds more sodium too, so CaCO3 would probably be
>> better.
>
> Yep. That's why I went looking for calcium carbonate and magnesium
> carbonate the first time I was faced with this issue. Sure, calcium
> chloride dissolves faster, but why not kill two birds with one cheap 
> stone?
>
> -- 
> Jerry Baker
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