LOW LOW MAG

Randy Holmes-Farley

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It went down 100 ppm between march 15 and 22. That is test error unless the salinity went way down.

It went down 30 ppm in 2 days on March 23. That is test error too.

Real magnesium consumption at constant salinity is about 0-2 ppm per day, at about 1/10th of the calcium decline. If calcium is stable, so is magneisum.

Magnesium testing is very prone to test error, especially with the Red Sea kit.

i'm not sure I recommend testing it at all.
 

Algae invading algae: Have you had unwanted algae in your good macroalgae?

  • I regularly have unwanted algae in my macroalgae.

    Votes: 43 35.0%
  • I occasionally have unwanted algae in my macroalgae.

    Votes: 27 22.0%
  • I rarely have unwanted algae in my macroalgae.

    Votes: 9 7.3%
  • I never have unwanted algae in my macroalgae.

    Votes: 9 7.3%
  • I don’t have macroalgae.

    Votes: 31 25.2%
  • Other.

    Votes: 4 3.3%
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