Re: [APD] Re: NaHC03 and salinity

[Chris Hotte <ecwh at cogeco_ca>]

Rachel Sandage wrote:

> CaCO3 doesn't "throw off" KH readings, but it will change them - it raises both GH and KH, and works nicely with MgSO4 if you have very soft water. One thing about it is that it is barely soluble, so you need to kind of hide it when you dump it in.
Yes, I knew I would get this reply after posting that message. I meant 
to say that CaCO3 won't affect KH/PH = C02 readings.

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