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I appreciate, but like I said it serves me better having it on. If they burn out ( two are 3 yrs old) the technology is so obsolete it means time to upgrade.lol
Why would I? I do not see them at all and if I want to spot check with the assistance of a chair for my 6 foot frame I can see that all times and levels are where they are.
Paul here is how placed 4 led units over my 120. The are actually out of the canopy, all fans pull in fresh air, no heat stress is put on the led units.... Now I do have a top hat look. No biggie!
Yes they are something in the neighborhood of 48-52 LEDs per unit. They are the it2040 from reef breeders. Colors are 120 optics and all others are 90 degree optics.
This is my top over the 120. Blues max at 100% for 4hours and whites max at 60% for 4 hours. I realize it's not at 100 all day but it is 4 units....plus the 4 25 watt t5 bulbs that come on.
I added 4 24 watt bulbs to my 120. Overall, I feel it fills in the voids and eliminates shadows. The scattered light helps one to grow things in more areas of the tank.IMHO. I still love my LEDs by the way and will never part with them.
I have it2040 LEDs. 2 of my violets are carbon coated. I got new LEDs but have not had time to solder the reacements on yet. From what I've read like Kevin said it's easy to do.