magnesium test kit

[woogy]

I can only find a red sea test kit for this, which I have used red sea in the past and didn't like the results. Anyone know of any others?

 

[stingythingy45]

Salifert or Elos

 

[twoodall]

I use Salifert

 

[OneReef]

elos

 

[an411]

salifert not only for magnesium but for everything