Re: CaCO3 vs. NaHCO3

[George Booth <booth at hpmtlgb1_lvld.hp.com>]

>Date: Mon, 04 May 1998 18:21:52 -0700
>From: Jim Wilson <freaks at aracnet_com>
>
>>Is there a benefit to adding CaCO2 to raise my KH instead of NaHCO3?
>>I know that CaCO2 also raises GH.
>
>OK OK I'm the best typist in the world and do know that it is CaCO3 and not
>CaCO2.  
>
>But did I stump the panel?  Or has this question been answered too many
>times already?

You answered your own question.  Use NaHCO3 to raise just KH.  Use CaCO3 to 
raise both KH and GH.  Use MgSO4 (Epsom Salts) to raise just GH (Mg only). Use a 
mixture to achieve the KH/GH(Ca/Mg) balance you desire.  And, yes, it has been 
answered quite a few times. 

George

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