impur Posted February 27, 2009 Share Posted February 27, 2009 http://www.247aquariumsupply.com/product_info.php?cPath=3_10_32&products_id=143 Pretty interesting. The acros actually retained color or colored up in the growth sequence shots. But $370!!!!!! :eek: Quote Link to comment Share on other sites More sharing options...
andy Posted February 27, 2009 Share Posted February 27, 2009 I can't find the thread now, but iirc the experts on RC ripped this thing up pretty well. ShamWOW! Quote Link to comment Share on other sites More sharing options...
darrellw Posted February 27, 2009 Share Posted February 27, 2009 Yeah, these were discussed on the nano-reef forum a while back. One issue is that they are all white leds, so color temp is going to be around 10k or so, so you still need actinic supplementation. They also don't have any optics on the leds, so you are limited to about 12" of depth. Quote Link to comment Share on other sites More sharing options...
impur Posted February 27, 2009 Author Share Posted February 27, 2009 Yah it doesn't appear to have a great spread so it would be limited to nano tanks. Quote Link to comment Share on other sites More sharing options...
cgrant Posted February 27, 2009 Share Posted February 27, 2009 I would be interested in seeing one of these first hand. The link says they have the same spread as MH (one every two feet). They are saying these will replace 175w MH. I would reason this is due to the depth they will reach. My tank is 24" deep and I run 400w so these would not be a fit for me. I wonder if it is a limitation of the LED's as a whole or do they have the ability to get the penetration required for deeper tanks. On the financial side they claim these hold 70% of original light at 50,000hrs. By my calculations I would not have to buy bulbs for 11 years( at 12hrs a day). $370 for 11 years breaks down to about $34 a year. That is less than half the cost of most MH bulbs for those of us replacing bulbs on a yearly basis. Then you still have to factor in the fact that it uses 1/4 the electricity and you don't have to buy and replace expensive ballasts. If I can get one of these that will work in a deeper tank I may have to give them a try. Quote Link to comment Share on other sites More sharing options...
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