fluorescent bulb getting dim?!
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fluorescent bulb getting dim?!

This is a discussion on fluorescent bulb getting dim?! within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; --> My fluorescent bulb (Coral life T8 17w) seems to be getting dimmer ..... most recently noticed this the past week when i saw a ...

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fluorescent bulb getting dim?!
Old 04-30-2011, 11:16 AM   #1
 
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fluorescent bulb getting dim?!

My fluorescent bulb (Coral life T8 17w) seems to be getting dimmer ..... most recently noticed this the past week when i saw a huge change. Normally I would not care but its a plant bulb and I am worried my plants will suffer. I hate to buy a new bulb cause it was like 25 bucks and its only 2 months old! I was wondering if anyone else has had a similar problem or possible solutions?
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Old 04-30-2011, 11:22 AM   #2
 
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A T8 tube should be sufficient for a year, some say 2-3 years; I just replacee my T8's after about 21 months and noticed quite a difference.

I have never seen a difference without replacing the tube, it is usually gradual over time. Tubes loose a lot of intensity during the first few months, though I have never been able to notice this unless I replace the tube.

Byron.
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Old 04-30-2011, 12:19 PM   #3
 
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Quote:
Originally Posted by Byron View Post
A T8 tube should be sufficient for a year, some say 2-3 years; I just replacee my T8's after about 21 months and noticed quite a difference.

I have never seen a difference without replacing the tube, it is usually gradual over time. Tubes loose a lot of intensity during the first few months, though I have never been able to notice this unless I replace the tube.

Byron.
Thanks. I just came back from vacation so thats how i noticed it was dimmer....today is the first chance I had to actually work on it but no luck.....I'll let it be until I see any signs from my plants that they aren't getting sufficient lighting.
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Old 05-02-2011, 10:28 PM   #4
 
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Well the bulb has gotten even dimmer since my last post....no idea whats wrong but I put in an extra lamp I had and that one works fine....so at least its not an electrical problem with my hood. I have the receipt so it looks like I'll be trying to contact the company that made it to get a replacement or my money back.
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Old 05-03-2011, 11:14 AM   #5
 
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Quote:
Originally Posted by rnsheehan21 View Post
Well the bulb has gotten even dimmer since my last post....no idea whats wrong but I put in an extra lamp I had and that one works fine....so at least its not an electrical problem with my hood. I have the receipt so it looks like I'll be trying to contact the company that made it to get a replacement or my money back.
That is interesting. If it is that noticeable, I would also expect a malfunction of the tube. I guess these things happen.
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