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Re: Ca and Mg levels with RO water
- To: Aquatic-Plants at actwin_com
- Subject: Re: Ca and Mg levels with RO water
- From: Paul Sears <psears at nrn1_NRCan.gc.ca>
- Date: Wed, 31 Jan 2001 09:29:56 -0500 (EST)
- In-Reply-To: <200101302048.PAA19040 at actwin_com> from "Aquatic Plants Digest" at Jan 30, 2001 03:48:01 PM
> From: Jay Reeves <jbreeves at isd_net>
> Subject: Ca and Mg levels with RO water
>
> What are people using RO water remineralizing and increasing KH with?
I just use a mixture of my well water with RO water.
> I have been using Kent RO Right to remineralize and Kent pH Stable to
> add KH. Probably not a problem with the RO Right, however, pH Stable
> contains carbonic acid monosodium salts.
In other words, sodium bicarbonate, which is baking soda.
> I have been adding baking soda
> as well to get to 3-4 KH.
Same stuff, but a lot less expensive!
> I am guessing the Kent pH stable "locks in" a pH
> value - time of day and Co2 amounts don't seem to affect pH.
If it does also have some buffer system other than bicarbonate/CO2
then your KH readings are meaningless (too high).
--
Paul Sears Ottawa, Canada