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Old 08-06-2012, 02:34 PM   #1
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Flourescent light for Rainbowfish?

I have a 48 inch wide 75 g tank. Its light fixture has 2 24" T8 Aqua-Glo tubes which were bought used. I understand that these are 18000K tubes. I find the tank "dull" to say the least. I'm not sure if this is because of the age of the bulbs, the 18000K colour, or simply that I need more wattage power.

I am stocking the tank with mostly rainbows and want a light that brings out their orange, red and blue colours.

A different forum recommended a full spectrum 5000K light with a high CRI. Something like the Philips F17/T8/950. I can probably get this from a local supplier who will order them in.

Do the experts here agree with this recommendation or recommend a 6500K bulb or even something else?
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75g Freshwater Tank (48 x 18 x 20); Fluval 404 + Marineland HOT 250 Magnum + Marineland Emperor 400B Filters; 2 x 300W Heaters; Brown gravel, Plastic + some live plants, Large rock and wood decorations; 2 x 24" 24W Aqua-Glo tubes 14hr/day; Fish - Semi Aggressive
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Old 08-07-2012, 08:38 AM   #2
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Anybody? Advice from a lighting expert would be appreciated, before I invest $$ into something unsuitable.
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75g Freshwater Tank (48 x 18 x 20); Fluval 404 + Marineland HOT 250 Magnum + Marineland Emperor 400B Filters; 2 x 300W Heaters; Brown gravel, Plastic + some live plants, Large rock and wood decorations; 2 x 24" 24W Aqua-Glo tubes 14hr/day; Fish - Semi Aggressive
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Old 08-07-2012, 11:47 AM   #3
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Oh well, so I bought 2 Philips f17/t8/tl850's from a hardware/electronics store. The 950's are not in stock anywhere in my area. Tank is MUCH brighter. Well worth the money, which was less than half the price of a chain LFS.
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75g Freshwater Tank (48 x 18 x 20); Fluval 404 + Marineland HOT 250 Magnum + Marineland Emperor 400B Filters; 2 x 300W Heaters; Brown gravel, Plastic + some live plants, Large rock and wood decorations; 2 x 24" 24W Aqua-Glo tubes 14hr/day; Fish - Semi Aggressive
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