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Are you able to measure par? That would be your best bet. What kind of corals? There's probably other variables that are being an issue too.hi all! My radions have been running for 5 years, i noticed lost of coloration on my corals theses last months, are they too old?
Thanks
Unlikely that it's the lights, IMO, but it's good to check. (Do you have PAR measurements from when the lights were new, or how will you understand the numbers to be lower than they should be?)
Until you have the meter in hand, let's look at some other possibilities that are more common...
Can you post your most current complete set of water test results?
Can you name any changes that have happened to the tank in the last months?

I agree with @pugcrush. Also, I just upgraded my Gen 1's to Gen 3's with an upgrade option that EcoTech offers. It was only $175 to do it, and WELL WORTH IT IMHO!Thanks for your answer pugcruch !
I ll try to find a parmeter!
Well - what happened to the notion that LEDs were a "50,000" hour light? I never thought that was true to begin with. After 5 years, it isn't 40% into the "50,000" hour claim even if run 10 hours a day.hi all! My radions have been running for 5 years, i noticed lost of coloration on my corals theses last months, are they too old?
Thanks

