Quote:
Originally Posted by Tripod1404
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From the article you sourced:
"2.5 - 4 meq/L or 7 - 11 dKH or 125 - 200 ppm CaCO3 equivalents
Calcium:
380 – 450 ppm calcium ion or 950 - 1125 ppm CaCO3 equivalents
If you are anywhere within these ranges for both parameters, you do not need to perform any correction on your tank chemistry, though you may choose to do so for other reasons. In this sense it makes no difference what the relationship is between the two values. If alkalinity is 4 meq/L, it is not inherently any “better” for calcium to be at 380 ppm or 450 ppm."