How do you control Magnesium levels. Haven't test MAG yet I paln on getting a Salifert test kit in the morning. I am having problems raising my calcium and Alalinity, I am adding B-Ionic 2 part Cal, and Alk, I do 10-15% WC bi weekly, and have a new 6 stag RODI just installed 3 months ago.
Magnesium is a big topic. In a nutshell, it takes a lot to bring it up, but once it is there it stays there a while.
First, test the water for the current level. Then enter that in the spreadsheet. Next enter the level you want to achieve. Enter the total water volume of your system. Pick the Magnesium additive you'll use, and click calculate.
I use Mag Flake and Epsons Salt (Recipe #2 on this page), mixed with RO water. Then I dose what the tank needs. I wait a few days before I test to see what the level is.
You should only dose enough to raise Magnesium 100ppm per day.
Originally Posted by flhrci
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