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excal88 05-23-2011 02:11 AM

LED lighting any good?
 
Hey guys! Just wondering if LED lighting is any good, cause I'm planning on getting a 29 gallon tank, 36" length, 10" width, and 16" height. I was looking at the marineland LED double bright aquarium lighting system, and was looking at either the 600 lumen rated one, or the 1200 lumen rated one. I do plan on having quite a few plants in the 29 gallon, mainly made up of wisteria, anacharis, anubias, java fern, and java moss. And maybe amazon sword. Thanks!

brownmane 05-23-2011 09:58 AM

Good question. I was just trying to find out the same thing. I have a 20 gal planted aquarium with LED, since January, and the plants seem to being doing fine. They don't grow as quickly as they did when I had fluorescent bulbs for plant growth. I have val, java fern, java moss, several crypt wendtii, and something that is very similar to cabomba but I can't remember what it is called. My kit didn't even give me any type of light rating, so I don't know how to tell what I have.

brownmane 05-23-2011 09:59 AM

Oh yeah. I also have a small sword.

SinCrisis 05-23-2011 11:13 AM

extremely expensive, but otherwise its fine for plant growth. Im using them on my 6g and they're doing fine, im able to grow HC Cuba, but they were pricey.

excal88 05-24-2011 12:52 PM

Yea they are, but for the smaller one its only a little more expensive than a florescent, and I prefer LED as they last what seems like forever. Haha

Mikaila31 05-24-2011 01:06 PM

I doubt its very good then. The number one thing determining the quality of an LED fixture is the type of LEDs. Most do not use the proper LEDs and emit very low light that is not plant friendly. A proper fixture requires 3 watt LED (no your normal kind at all), these run like $8-12 per LED. They also don't save much on power since you still that wattage. They require slightly less watts then a HO T5 bulb. So as SinCrisis said they can work, but are very expensive. Its cheapest to build them yourself, but they are still expensive.

demonr6 05-27-2011 12:32 PM

LED lights are horrible, terrible, worthless, waste of money!

Before I made the mistake of buying an LED lamp to replace the 13W CF 6000k bulb my tank was lush and looked like this..

http://img7.imageshack.us/img7/6220/day55.jpg

Before LED

http://img98.imageshack.us/img98/1661/sn852426.jpg

Now it looks terrible, the plants are in such bad shape I am going to have to replace them all and replant my tank. LEDs'.. boo!

http://img713.imageshack.us/img713/5067/sn852491.jpg

http://img69.imageshack.us/img69/3747/05211.jpg

http://img819.imageshack.us/img819/6673/0526113.jpg

By the way that growth is less than a month apart from when I installed the LED into play. It cost $25 incl shipping off eBay. The stand is DIY made from spare IKEA parts for a curtain. Next week I am going to have to make the second trim in one month so LED = explosive growth. I don't care what anyone says about it, that light I am using is the s*.

SinCrisis 05-27-2011 01:09 PM

I think the issue for your LED setup is that your LEDS are too high up, your losing a ton of light whereas your previous setup was directly over the tank so less light escaped.

demonr6 05-27-2011 01:22 PM

What color temp is the LED you are using and the equivalent wattage too?

Mikaila31 05-27-2011 02:20 PM

Yes LED's are not aweful lots of people use them and have good results. They need to be done properly though or they will work just as well as any other improper light. I see many issues with your setup as already mentioned lights are too high. Then their is the issue of what kind of led's, what size, what wattage, color temp, ect.... their is no way that little fixture is equivalent to the 13 watts and intensity of the fluorescent. Regardless you lost a lot of light making the switch.


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