Help. Diy mag

[juliomexico13]

So im running out of mag supplement soon. Looking into whats best. Either going for Randy's two part or BRS 2 part mag. My question is who makes randys two part, and what mag chloride yiubare using, mag flakes?, if so where can i buy them?
Or if you use BRS do you buy bith mag supplements and mix them. Thanks in advance

 

[Blitzie]

For raising just Magnesium you can use Epsom Salts
Here is a nice calculator for amounts http://reef.diesyst.com/chemcalc/chemcalc.html

 

[juliomexico13]

He also cam up with research after stating using upaon salt can cause high sulfate

http://reefkeeping.com/issues/2006-07/rhf/#14