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Re: Aquatic Plants Digest V4 #1023
Ming,
I'm the worst chemist there is, and have a terrible time with
color matching too. However, I think the very low level of ions
in your water is probably making that process even worse. No
doubt somebody on the list can explain why, but I find, for example,
that it is impossible to get a pH reading on distilled water.
Thanks,
Rod
>
>I have a terrible time matching pH color to the color chart. So that is
>probably one source of error. Other potential sources? Well, I have added
>3 things to the water: the aforementioned 2 tsps of CaCO3 powder; 4 tsps
>of
>crushed coral that's sitting in my canister filter; and 5 ml of TMG. But
>that's it.
>
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