Another Radion light question

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Lavey29

Lavey29

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Most LED lights dont lose intensity however aged diodes may not produce same Kelvin as new. See if you can rent or borrow a PAR meter from a local LFS or reef club. Two reef clubs I belong to have loaners with a required deposit returned when Meter is returned.
I used a par meter 510 today. XR15s suck for SPS but overall the tank is great shape.
 
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I think I can crank them up. @Lavey29 let me know what u get on par 100% ab+. U have 1 or 2 I would guess 2 if we have the same tank
2 lights. It will be right at 400 par maybe at the waterline at 100 with diffusers. Like 200 range mid tank and 130 sandbed. Really unimpressive but my corals are pretty healthy only a few SPS browning due to low par.
 

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I have two gen 5 XR 15 pros on my tank and have concluded they were not putting out the par numbers I thought they were. I was going off tested internet posts that showed par numbers at specific intensities in similar size tanks.

As such I have been slowly raising my intensity and the corals seem to be really loving it. I only have a phone app par checker which I'm sure is off quite a bit but one thing I found very confusing. My left light seems to be putting out way lower par then the right. Like 30 points lower. Is this unusual for 2 lights to be so far off? They are on the AB plus schedule. Visually I can't tell any spectrum or intensity differences. Is one light possibly older then the other and losing intensity now?
Have you gone through the calibration process with the lights? It'll basically walk through each channel and have you find the voltage point where each channel turns on.
 

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