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Old 04-18-2012, 01:54 AM   #4
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It'll be interesting how the titration of an API alkanity kit actually works i.e. what is the chemistry theory? but a might be a patented chemistry process...

someone has a link?

Most calcium exists as a carbonate, but high hardness/low alkanity is indicative of a magnesium sulfate, phosphate or other non-carbon calcium compound?
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