Is too high magnesium bad for corals?

[Tbg299]

I tested the Mg in my frag QT and it was 1600. I haven't dosed anything. Just been doing 10% water changes every other day with Red Sea Coral Pro Salt which has added Mg. Salinity is 1.026 and Ca is 490.

 

[SaltwaterGuruNeeded]

Should be fine. It's not that high.