As a few of you might already know, I've started a 10g nano reef. Its been up and running now for about 3 weeks. All levels test fine.
NitrAtes 0 - 0.25ppm
Calcium (this is where im confused) its testing at around 560ppm, I am aware it should be around 440ish (so i've read)
Phosphates - 0ppm
Having calcium levels that high, would it be damaging to the system, with the other stats where they are?