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Dwerbs
03/11/2012, 05:40 PM
So I started a two part addition for my tank and I will get the Alk up to 10.5 and with that the Calcium will pull up to 420 over the next couple days the alk will dip back down to 9 and I bring it back up and calcium comes back up with it aswell. When am I supposed to add calcium?

doctorgori
03/11/2012, 08:37 PM
if I'm understanding you right you are using a bonified 2 part solution and not a product like "Turbo Calcium" or whatever...

...once your params are in order... then you add them together in equal amounts...preferably in either different parts of the tank and /or staggered by 3-4 min (I dose in a high flow area)

...if either alk or Ca is out of tolerance, then you add them disproportionately until you reach the proper tolerances, then proceed as above

...this is a abridged version, I suggest Randy's articles (Google is your friend)

How to Select a Calcium and Alkalinity Supplementation Scheme
http://www.advancedaquarist.com/issues/feb2003/chem.htm


The “How To” Guide to Reef Aquarium Chemistry for Beginners, Part 2: What Chemicals Must be Supplemented
http://reefkeeping.com/issues/2007-04/rhf/index.php

An Improved Do-it-Yourself Two-Part Calcium and Alkalinity Supplement System
http://reefkeeping.com/issues/2006-02/rhf/index.php

bertoni
03/12/2012, 12:50 AM
I'm not sure what you mean, but you likely should be adding equal parts of both solutions. What exact products are you using?