CFL twist lighting

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Post by bulldogg7 on Sat Nov 21, 2009 10:07 am

$20 for the "bath bar", holds 8 bulbs and is 4feet long
CFL twist lighting DSCF1001-6
CFL twist lighting DSCF1007-5
CFL twist lighting DSCF1008-8
CFL twist lighting DSCF1010-4

different option for smaller tanks
CFL twist lighting Frytanklight

even different
The light only cost me $30, I guess the price has gone up since then Mad
http://www.homedepot.com/webapp/wcs/stores/servlet/ProductDisplay?jspStoreDir=hdus&catalogId=10053&productId=100130020
CFL twist lighting IMG_7642
CFL twist lighting IMG_7644

the last pics are of the bathbar and the floodlight in a different canopy, the single blue bulb is for moonlighting
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Post by Drake-tripod on Sat Nov 21, 2009 1:14 pm

this would be good for a planted tank
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Post by Scott on Mon Dec 28, 2009 9:14 pm

Hey Bull - great post. I have been working on the lighting for a 125g cichlid tank and a 75g salt tank and have some similar ideas.

What watt and color bulbs are you using in that setup?

I was just reading http://www.americanaquariumproducts.com/Aquarium_Lighting.html. A long article but there is some great information there. It also explains that the cfl's are the best bang for the buck as far lumens/watt and PAR values.

For the 75g salt, I have a 36" t-5 42w light. I am not sure what the K value or color the bulbs are but it puts out a pretty yellow light. I am going to supplement this with 4 - 100w(equivalent) “daylight” cfl’s. The daylight color temp is around the 5000k range. I ran a test with the t-5 and added 2 - 40w “daylight” cfl’s and was pretty impressed with the color difference. Going with the watts per gallon idea, that would give me 5.89 watts/gallon. I think the recommended minimum is 3 watts/gallon. Now this doesn’t take into account PAR values and what-not. Going by the article mentioned above, the PAR values should be pretty good.

study study study study study study

Any input would be greatly appreciated.

Scott
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Post by bulldogg7 on Mon Dec 28, 2009 11:45 pm

I used 100w equiv 6500k bulbs. One burned out last week and I stuck a "cool white" in it's place, just with the one bulb I could tell the difference in color.
You could probably swap the T5 for actinics or 50/50's and get a nice effect with the CFL's. I don't get into all the par stuff, but I think if you are doing corals you need more of the UV range.

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Post by Scott on Mon Dec 28, 2009 11:57 pm

Here is a quick video to show the different lighting effects on the tank. First we used a dual bulb T-5 42 watt household setup, then the T-5 and 2 40 watt "Daylight" cfls and last was just the cfls.

https://www.youtube.com/watch?v=_FnVPgP3aO0
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Post by Scott on Mon Dec 28, 2009 11:59 pm

Where did you find 6500K bulbs? the highest I come across are 5000K.
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Post by bulldogg7 on Tue Dec 29, 2009 12:36 am

walmart or lowes
CFL twist lighting 35256

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Post by Scott on Tue Dec 29, 2009 12:40 am

Good to know. thanks for the info.

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