Re: [AGA Member] Water Parameters

["S. Hieber" <shieber@yahoo.com>]

I'd believe the pH and KH test before I believed the CO2
test. CO2 test tend to be unreliable unless very fresh.
I've even used the Hach CO2 test kit and when new it read
pretty well, coroborating my pH and KH readings and CO2
levels per the KH/pH/CO2 table.  But it did not do well
when it got to be about 6 months old.

Note also that small variations in test readings have make
big diffs in what the table gives for a CO2 result.

Scott H.
--- Amit Brucker <amitb@gtek.co.il> wrote:
> Hi All,
> Finally I got today the master test LAB mad by Red Sea
> (Anyone knows?)
> I was mostly interested in the KH in order to find out
> the CO2 concentration in the water.
> Although the results really made me sad Fish and plants
> seems happy....
> here goes:
> PH 6.8~6.9
> KH 9~10
> GH 12~13
> CO2 in ppm according to the CO2 test is 18 PPM
> Ammonia, Nitrite and Chlorine are all 0 (at least these
> are good)
> 
> Despite the fact that the water are very hard I am kind
> of confused regarding the CO2 levels.
> According to some CO2 tables levels are HIGH 33.991 ppm
> Should I reduce my CO2 levels ? 
> I know that plants can do well in hard water, but I guess
> I can use more RO water ?
> 10x
> 
> Amit
> 
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