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Old 16-04-2005, 02:55 PM   #14
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Originally Posted by wlchew
Well, A typical life-span of FL(including T5) depends on usage is between 6~9mths. I have since changed around 3 tube in 12 mths(2 tank, )...I think will have to change one by it is recommended to not to change all at one-go....a sudden change of intensity may not be too good for coral.

My 2-cents thought.
i see, okey, i guess time to shop around again for tubes

my water not turning yellow, it's the spectrum of the light. cause when my 250W MH is on I don't see the yellowish hue anymore. I only use the T5 to supplement some areas especially the front of the tank.
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