T5 lamp spectrum change

[snowmansnow]

I've always heard about spectrum change in aging lamps, but I have never, personally, read anything that proves it.

Where can I find this information?

My lamps are going on a year now, and I'm not observing any adverse affects.

Thanks

B

 

[brandonmason]

I'm no expert but I've read somewhere T5 bulbs can last 12-18 months depending on the amount of time that they are running

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[fishlips]

A while back ,i seen a post on the lose of par,very little,on RC.Last few years i been changeing my ATI bulbs yearly.This last year sence i was upgrading, i waited 15 months.And was still seeing good growth with my sps.