Help with interpretting ICP test.

[ScubaSkeets]

Hi folks!
Just got my ICP tests and was hoping if anyone can help interpret it. I do know salinity looks low and will adjust that (refractometer is calibrated to 35, so not sure if the refractometer is bad)
Copper looks high, but I have never put copper in this tank, so not sure where that came from. Opinions on anything else would be appreciated.
Thanks!


Link
lab.atiaquaristik.com/share/bc063c22a637b7e5609f

 

[nezw0001]

Could the copper be leaking from any used equipment? Did you get your live rock from another reefer? What was your sand source?