[Wet Thumb Forum]-Your Oppinions on this light found on EBAY - DIY Aquarium Projects - Aquatic Plant Central

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Old 08-02-2003, 12:11 AM   #1 (permalink)
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I found this on ebay and figured it might be a cheap way to light my tank. It's one of those screw in compact fluorescent light bulbs.

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6500 Kelvin
26 Watts
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Old 08-02-2003, 12:11 AM   #2 (permalink)
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I found this on ebay and figured it might be a cheap way to light my tank. It's one of those screw in compact fluorescent light bulbs.

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Here are it's stats:
6500 Kelvin
26 Watts
CRI 87
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Old 08-02-2003, 01:45 AM   #3 (permalink)
 
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You don't need ebay to buy those screw-in PC bulbs. They are at most home stores. I haven't been satisfied with them in simple lampshade applications, so I never was tempted to put on over a fish tank.
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Old 08-02-2003, 02:25 AM   #4 (permalink)
 
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Actually the 6500k lights are a little harder to find. But they can be found if one looks around.

Lazaro, How large is your tank?

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Old 08-02-2003, 10:16 AM   #5 (permalink)
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I was thinking of using two of these for a 20 gallon with a few other flouresent strips. Depending on how I rig it I could get either 78 or 88 watts total.

I too don't like the yellowish look of standard screw in compacts but I do like the look of more whiter 67K is see in fish stores.

If these lights do seem good for plant growth, what other lights would you recommend I mix them with.
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Old 08-02-2003, 02:35 PM   #6 (permalink)
 
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The problem with the spiral lights is that you can only get at most 50% efficiency out of them. And that would be with a awesome reflector.

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Old 08-03-2003, 02:02 AM   #7 (permalink)
 
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I actually use a very similar light over my vivariums. In the end, it would have been better to put the money into PCs. The spirals have the ballast inthe base. In the confines of hoods or reflectors, they have a tendancy to burn out. I bought six and have burned out 5 of the 6. The manufacturer replaced them but in the end, an AHSupply kit is 5 times better.

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