Radium 20k will look very white compared to blue LEDs. It is a bluish White color to my eyes. I ran 400w on large reflectors about a foot off the water. I used the purple lumatek ballasts on super lumens.
I am setting up a 500 gallon and will be running four Cozumel sun reflectors with the same ballasts.
I always supplement with t5 and will also add some leds this time around.
I only run my halides for 5 hours a day, and run t5s for a couple hours before, during, and a couple hours after halides turn off.
I am setting up a 500 gallon and will be running four Cozumel sun reflectors with the same ballasts.
I always supplement with t5 and will also add some leds this time around.
I only run my halides for 5 hours a day, and run t5s for a couple hours before, during, and a couple hours after halides turn off.
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