Magnesium Chloride/Magnesium Sulfate

[MplsMan]

are they the same?
i've used both of these before for raising Magnesium, but i've been told that you only need one or the other to do this.

 

[sjm817]

Here are a couple of RHF articles on the subject. You can use one or the other, but a mixture of both is best. You can use a 10:1 Magnesium Chloride/Magnesium Sulfate mix, or if you supplement with DIY 2 part, a 5:3 Magnesium Chloride/Magnesium Sulfate mix.


Do-It-Yourself Magnesium Supplements for the Reef Aquarium
http://reefkeeping.com/issues/2006-07/rhf/index.php

An Improved Do-it-Yourself Two-Part Calcium and Alkalinity Supplement System
http://reefkeeping.com/issues/2006-02/rhf/index.php

 

[MplsMan]

thats what i was thinking as well, thatns for the links.

 

[reefdigger]

which mag...

which mag...

thanks for the thread...nice to know!http:http://www.reefcentral.com/forums/images/smilies/smile.gif

 

[returnofsid]

I'd suggest posting this in Boomer's Chemistry forum. http://reefcentral.com/forums/forumdisplay.php?f=112

 

[tmz]

The idea is to dose the magnesium without altering the ratio of chloride to sulfate from natural seawater values of approximately 10 chloride to 1 sulfate. Hence the 10:1 magnesium chloride to magnesium sulfate mixture. However, if you are dosing calcium chloride for calcium supplementation as per two part, a 5 to 3 ratio tends to account for the extra chloride you already dosed as calcium chloride.