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Old 07-29-2005, 11:21 AM   #1
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Aquarium lighting

The light in our aquarium stopped working a few days ago, thinking it was just the fluorescent tube i bought a new one! However the bulb is now flickering very badly.
I was concerned that this may scare the fish so i have had to switch the light off while i figure out what the problem is.

Any ideas what may be wrong with the light? And will the fish be ok with no lighting in the meantime and for how long?
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Old 07-29-2005, 11:29 AM   #2
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Are you hearing a buzzing sound coming from the ballast? It sounds like the ballast needs replacement.
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Old 07-29-2005, 02:31 PM   #3
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The flickering alone tells me the ballast has gone bad. It will need replaced. What size is it so I can fetch a link to show you what the replacement ballast should look like.
In other words how long is it and what wattage tube(s) does it take?
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Old 07-29-2005, 02:39 PM   #4
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check that everything is screwed tightly. loose things may cause flickering... i also got that prob;em once and tightened everything
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Old 07-29-2005, 03:00 PM   #5
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Quote:
Originally Posted by amitnarain
check that everything is screwed tightly. loose things may cause flickering... i also got that prob;em once and tightened everything
are you talking about fluorescent bulbs? what the heck is there to tighten?
maybe with incandesents you can tighten in a bulb but not with a fluorescent tube.. if its flickering your ballast is going bad and will burn out new bulbs far before they should go bad..
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Old 07-29-2005, 03:13 PM   #6
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i think he means loose as in the bulb isnt sitting in properly in the fixture because the contacts arent where they're supposed to be so spinning the bulb until it's tight means that the contacts are touching and in place
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Old 07-29-2005, 03:23 PM   #7
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If a fluorescent bulb isnt on the contacts like it should be it shouldnt light up at all..
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Old 07-29-2005, 03:31 PM   #8
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btw. Im not saying it never hurts to make sure things are put together correctly.. Im just saying the flickering bulb is a definate sign of a bad ballast..
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Old 07-31-2005, 01:38 PM   #9
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Thanks for all your help! I thought it may be sitting loose but i have tightened it so much i'm not sure i will be able to take it out

The tube is 15w and 18" long! Is it fairly easy to get a replacement ballast? how easy are they to fit?
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Old 07-31-2005, 09:37 PM   #10
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http://www.prolighting.com/1f2f1f1maba1.html
HD and lowes sell an electronic ballast for around 8 dollars.. 1-2 F32T8 is what there rated. The ballast is normaly behind the reflector in the strip.. It would need to be taken apart and the new ballast wired in were the old one is.
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