Also what is this calibration you speak of? I took the lights out of the box installed them as per the packet and then par’d out the tank accordingly
Radion: Calibration via EcoSmart Live
Overview If you are seeing any significant spectral differences between your Radions, please follow the steps below to perform a calibration. Calibration will help to reduce any differences in col...
support.ecotechmarine.com
This is not going to change your overall output, but will help with the spectra of the lights. Is recommended to do this at least one time to have all fixture acting the same and probably putting out the same power.