calcium / alk uptake
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Randy Holmes-Farley
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As I mentioned, they use my Recipe so the calculators should match fine. I entered 65 mL because I mistakenly thought that was what you were using. 
Randy Holmes-Farley
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For 4.15 dKH, the balanced amount of calcium is about 28 ppm.
Randy Holmes-Farley
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The ratio for consumption by calcification is about 18-20 ppm calcium for each 1 meq/L (2.8 dKH) of alkalinity.
So you take the 4.15 dKH, divide by 2.8, and multiply by 18-20 to get ppm calcium.
I discuss this ratio and the deviations from it here:
When Do Calcium and Alkalinity Demand Not Exactly Balance? by Randy Holmes-Farley - Reefkeeping.com
http://reefkeeping.com/issues/2004-12/rhf/index.htm
Randy Holmes-Farley
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You, sir, are impressive. You should have your own thread on here somewhere...HUGE thanks for your help and all you do for novice reefers like me!!!
You're welcome and thanks.
Happy Reefing.
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TD13
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@Randy Holmes-Farley just an update. I'm dosing about 13 ml of each Alk, and Calc, each day in my 28 gal. I'm using about 1 dKh Alkalinity and 5 ppm calcium. I understand that that is all dependant on the coral, etc. in my tank, but does that all sound reasonable?
