Testing for Calcium/Magnesium

[pam0630]

i got my new test kit...tested alk 5.0 tried testing my magnesium...tried twice couldnt get color to change....

 

[glb]

i got my new test kit...tested alk 5.0 tried testing my magnesium...tried twice couldnt get color to change....

Which brands did you buy?

 

[pam0630]

red sea

 

[Reefing Madness]

5 is low on the ALK test, need to bring it up.
For the Mag, what salt are you using? Instant Ocean comes out really low.

 

[glb]

I agree. 5 is low kh. What is your calcium?