Got my VHO's finally..... - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 02-11-2003, 02:27 PM Thread Starter
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Well I installed 3, 160 watt VHO lamps lat night and the light intesity is great, exactly what I was looking for. However I havea couple of annoying issues I need to fix.

1.) The 6500k lamps are very yellow-greenish (not attractive)
2.) The CRI is a little low (76)

I was thinking about picking up another ballast and overdriving a pair of Chroma 50's to compensate. How much wattage can you crank through one of those? As long as the bulb can last around 3 months I'm happy
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post #2 of 6 (permalink) Old 02-12-2003, 05:11 AM Thread Starter
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post #3 of 6 (permalink) Old 02-12-2003, 05:13 AM Thread Starter
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I added two power glo bulbs to teh canopy tonight to try and compensate for the really yellow/green light. It made a little difference, but not enough to matter.

I'm not sure what to do at this point yet, I just want to make the tank look more white.
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post #4 of 6 (permalink) Old 02-13-2003, 05:25 PM
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Hmmmm . . . those endcaps dont look UL approved for damp operation . . . . :-)

90g planted tank & 55 g planted tank/sump, with opposing 12 hr photoperiods.

Filter: DIY rapid sand filter w/ 5 liters Eheim effisubstrat and 50 pounds of corse filter sand, 600 gph pump. dump returns.

Substrate: Gravel and laterite substrates, capped with Flourite and home depot sand.

Lighting: 6.7 watts/gallon on top
(2x175) of 10,000k MH, (2x128) ODNO GE P&A
3 watts/gal on bottom
(4x40) triton t-8 flourscent

Fertilization: Seachem liquid fertilization (iron and comprehensive), Tetra initial sticks

CO2: DIY 14 liter yeast (seven bottles connected to a gang valve)
400 gph reactor (gravel vacuum tube filled with bio-bale and a powerhead on top)
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post #5 of 6 (permalink) Old 02-13-2003, 05:29 PM
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You should see mine. I use small bullet connectors, directly connected to the pins. I need to get some good endcaps before I burn my house down.

GDominy, where did you get those VHO 6500K tubes anyway? They definitely look green in that picture!

- Sam P -
plantedtanker in limbo - all tanks currently in storage
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post #6 of 6 (permalink) Old 02-13-2003, 05:52 PM Thread Starter
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I bought the bulbs from an industrial lighting supply house, they pretty much know me by name now. Heh...

The bulbs are actually quite white, but the reflection of the untreated wood, and the purple light of the power glows is making it look a lot greener then it is.

Believe it or not I pulled those endcaps out of an outdoor certified 4 foot fixture! The VHOP endcaps are a MUCH higher quality, and have a rubber sealing ring around each one. Very cool.
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