Angus Posted May 3, 2012 Report Share Posted May 3, 2012 Drool.... !drool: http://greenleafaquariums.com/products/aquaray-grobeam-1000-nd-led-natural-daylight-solid-state-lighting-tile-6500k-with-powercontrol.html A couple of these tiles, attached to a frame, suspended over my 70G.... !drool: !drool: Time to redirect those pennies (Apologies if someone's posted this before me and these are old news) Quote Link to comment Share on other sites More sharing options...
Ira Posted May 3, 2012 Report Share Posted May 3, 2012 The specs don't seem to add up. They're 800 lumens at 30 watts for $400, that's about 26 lumens per watt, not much better than incandescent. They suggest for a 4 foot tank that you use 3. So $1200 and 2400 lumens. That doesn't seem very bright since I'd estimate my 4 foot tank is pretty low light and I have somewhere around 8000 Lumens of lighting. So need 9 at $3600 and 270 watts to match 145 watts of cheapie fluoros Oh, that's probably USD so make it $4400nzd. Quote Link to comment Share on other sites More sharing options...
Ira Posted May 3, 2012 Report Share Posted May 3, 2012 After looking closer, the must mean each of the 10 leds in the unit is 800, which is higher than the led manufacturer's specs. Which if I'm reading the specs right, max out at 300 lumens. Quote Link to comment Share on other sites More sharing options...
Angus Posted May 3, 2012 Author Report Share Posted May 3, 2012 So a couple of tiles supplying 8000 lumens each, over a 4 footer would probably be ok? What do people here think about the LED option? From what I can gather (low tech minded!!) they seem to be talked about as the way forward...? Quote Link to comment Share on other sites More sharing options...
twinkles Posted May 3, 2012 Report Share Posted May 3, 2012 I've been looking at some on tm lately, the power savings seem great and I know lots of indoor plant growing people are switching to led instead of hps, so they must be good. Apparently alot depends on having the right led bulbs for what you want, the spectrums are more specific than fluros/halides or something? Be interested to hear if anyone's got them and how they go... Quote Link to comment Share on other sites More sharing options...
lmsmith Posted May 3, 2012 Report Share Posted May 3, 2012 I've been looking at some on tm lately, the power savings seem great and I know lots of indoor plant growing people are switching to led instead of hps, so they must be good. Apparently alot depends on having the right led bulbs for what you want, the spectrums are more specific than fluros/halides or something? Be interested to hear if anyone's got them and how they go... Maybe I should look at getting some for my new planted tank. I'm so confused by LEDs Quote Link to comment Share on other sites More sharing options...
amtiskaw Posted May 3, 2012 Report Share Posted May 3, 2012 I had 4 of the aquaray growbeam 500s. One died completely, one lost two LEDS, and I've had three power supplies die. 2 are still OK, and I just keep them for the cool shimmer they give the tank. But I took a refund on the other two, minus shipping. Maybe I was unlucky, but I wouldn't buy that brand again :-? Quote Link to comment Share on other sites More sharing options...
Angus Posted May 3, 2012 Author Report Share Posted May 3, 2012 nice to know - thanks! Quote Link to comment Share on other sites More sharing options...
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