Magnesium at 1290...

[20 20]

From what I understand, it should be between 1300 and 1500. So, is 1290 close enough? Would increasing it to 1400 have any actual effect?

 

[Paintbug]

levels should be 1250-1350. natural SW is 1280ppm. your fine!

http://www.reefkeeping.com/issues/2004-05/rhf/index.php

 

[radone]

If you check out the reef chemistry forum you'll find some good reading.
1290 is great IMHO natural seawater is 1285, most people over do it I think as this will help coral growth. 1500 is not a target you should want. Mine is around 1300 which is great for me.

 

[20 20]

Great, thanks for the info! The salifert test said 1300-1500, but I'm fine with 1290.

 

[radone]

Your welcome, Happy reefing