Calcium higher than normal

[PurplePolyp]

Here are my current water parameters. My calcium is usually around 440-460 but tested at 520 today. Is this ok? I haven't done a water change in about 10 days. I planned on doing one today but will have to do it tomorrow. What would cause calcium to raise so high?

 

[mr_X]

It's unlikely that your calcium is that high if your alk is 11. What test kit are you using to get these results?

 

[PurplePolyp]

It's an API Reef Master test kit. I've used the same kit twice a week for 3 months now. I wouldn't think it would be bad already.

 

[mr_X]

It's not going bad, but those calcium kits in that reef master kit are not accurate. I would check that against a Salifert or Elos kit.

 

[PurplePolyp]

Ok. Thanks. I'll pick one up tomorrow.

 

[54seaweed]

I got the Salifert and like it a lot better my readings were always way off the wall