d2mini
Premium Member
The comparison of cost isn't too fair. The cost of led's, even expensive fixtures, is less than the cost of changing bulbs like you should every 6 months.
Also, the changing of color through the day could indeed be shown to be a positive thing, much better than metal halides. When we're talking about certain corals, not all corals are going to be surface dwellers that enjoy non-blue spectrums. It's a fact of the ocean and to pretend it doesn't matter isn't very realistic.
As far as the food analogy, that's all the arguments will ever be, analogies. There's really not been too much concrete research showing led's are that much different than any other light source. The tech is getting better every day. Metal halides and older fixtures, well, I don't believe they're the focus of much new research.
Metal halides and older fixtures are just a dead horse people keep beating when tooting their horn against led's..
LOL, ummm... 6 months?! Radiums last AT LEAST twice that long when run on the correct ballast.
The cost of my entire mh/led setup which replaced 4 radion pros cost just a little more than one radion pro.
As I said, I have T5's for dusk/dawn.
There's just no reason for the uber slow ramp up and down.
You can reason that its closer to nature, but I can tell you from personal experience that is has ZERO benefit in our tanks.
Running the MH for 6 hours and the T5s for 10-12 is plenty of spectrum shift.
I ran radion pros for two years before switching back.
You can see the pics documented in my build thread to see the DRASTIC improvement in a very short time after switching back to MH/T5.
Sorry, but the dead horse is those trying to convince themselves that the gobs of money they spent on fancy led fixtures is actually worth it.
If you are stuck in a tiered pricing structure in california or somewhere where electricity is insanely expensive, THEN i can see an argument for LED. And even then, it's a compromise where you are forced to choose with your wallet and not what's best for your coral.