par meter will not produce an accurate reading of the par level for the LED fixtures. with that been said, i run by blue at 100% and white at 75-80%
I wish I had a par meter, it would be so much easier lol
par meter will not produce an accurate reading of the par level for the LED fixtures. with that been said, i run by blue at 100% and white at 75-80%
The only time the readings are inaccurate is when you measure close to the surface.
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How tall is your tank and how high is your fixture above the water surface?
here's the article that enunciate the difficulty of using a Par meter to measure an LED fixture, especially full spectrum LED.
Aquarium Equipment: PAR Meters and LEDs - How Accurate are the Measurements? A Comparison of Three Meters and Lux to PAR Conversion Factors for LEDs — Advanced Aquarist | Aquarist Magazine and Blog
many forum members exhibit the same frustration when trying to measure the Par level of the LED fixture, whether on the surface, substrate, or somewhere in between
I'm getting very minimal bleaching now, mainly on my birdsnests. I'm thinking dialing down my whites. I think I remember ready that corals prefer or utilize blues better? I may be wrong.