How magnesium affects aragonite formation

[ichthyoid]

Researchers have long known there are 2 primary forms of calcium carbonate-

1-calcite, the most stable form, often seen in rocks, and

2-aragonite, thé métastable form (more soluble), usually found in seashells & coral skeletons. This form appears due to the magnesium in seawater.

It was long observed that magnesium appears to have an effect on calcium carbonate crystal formations and research has now modeled how this works. Magnesium concentrations in seawater are critical to the formation of aragonite.

Lesson to reefers is: watch your magnesium levels, it directly affects calcium solubility & coral/shell growth.

Mystery solved: Why seashells’ mineral forms differently in seawater

A century-old riddle about aragonite formation is unraveled by scientists’ atomistic simulation.

news.mit.edu

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[fishlips]

I believe this post is right on time, I have times with my calcium levels where it's not being used, going from dosing 100 ml a day, then start gradually using less and less, (55 ml)
Then ,then the Alkalinity follows the same pattern. I test a lot of things regular, but not magnesium.Will start checking more regular.