how often to change florescent bulbs?

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Peckhaus Long Island, NY(Zone 7a) Jan 31, 2008

When using florescent lights to grow seedlings, is it neccessary to use new bulbs each season?

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ecrane3 Dublin, CA(Zone 9a) Feb 01, 2008

I use the same ones year after year, if they burn out I'd replace them but otherwise no.

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lilmac442 Millington, MI(Zone 5b) Feb 01, 2008

I very seldom replace mine. I do try to keep them rotated so that each set of two has one old, one newer. I write the replacement date in permanent marker on the end of the tube.

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CoreHHI Bluffton, SC(Zone 9a) Feb 01, 2008

It shouldn't make a difference. Either they work or they don't. It's simply a sealed tube of gas that is excited to give off light. What burns out over a long time is the starter that excites the gas.

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Peckhaus Long Island, NY(Zone 7a) Feb 01, 2008

Thank you, all. I had heard somewhere that it is necessary to replace the bulbs, but after reading these messages, I won't bother!

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