light - T5 - Burning in?

Philosophos

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Burn-in time is just for the fact that fluorescent lights have a 50% higher output that takes 3 months (at least for CF, probably for others as well) to come down. If you're running multiple bulbs though, you can do things with which ones you turn on.

Dry start method is great for this; you can crank the light right up and grow as fast as you want before filling.
 

Martin

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Hi Dan.
yes I know..... reason I'm asking is I found an excellent tube.. on paper... real nice spectral curve... but after around 4 months.. the tube looses all it's goodness and becomes useless...
A friend has used them without problems, but he did the burn in...
I recommended these tubes to a lot of people, and all have (well maybe not all, but many) reported the same thing...
 

Philosophos

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Losing the spectrum is common. They make bulbs look good on paper for the spectrum plots but they rarely stay that way.

Efficient growth in bulbs aren't so important IMO. Nice aesthetic is though.