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 RasJeph
Psycho Pete
Registered: 01/14/09
Posts: 11,657
Loc: Bumfuckt Egypt
Last seen: 1 year, 5 months
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 Bulb rattling sound 
#530568 - 02/25/11 05:48 AM (14 years, 2 months ago) |
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Aside from the normal hum you hear from the ballast starting up, I just noticed that the bulb itself is making a rattling sound. You know how it sounds when you pick it up and move it?
Sorta like that.
Now, the ballast JUST turned on, so the bulb is pretty cold. It started out doing it quite bit, now its stopping and starting as it warms up.
Is this normal?
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Of course it's happening inside your head.
Why should that mean it isn't real?
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RasJeph
Psycho Pete
Registered: 01/14/09
Posts: 11,657
Loc: Bumfuckt Egypt
Last seen: 1 year, 5 months
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 Re: Bulb rattling sound [Re: RasJeph]
#530572 - 02/25/11 06:25 AM (14 years, 2 months ago) |
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it stopped once it heated up. im never awake early enough to see/hear it fire up lol...still a little concerned.
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Of course it's happening inside your head.
Why should that mean it isn't real?
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 Dr. Penguin
Registered: 05/19/08
Posts: 1,036
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Re: Bulb rattling sound [Re: RasJeph]
#530591 - 02/25/11 09:24 AM (14 years, 2 months ago) |
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Its pretty normal when the air temp is cooler, my bulbs do it all the time. I think its just the metal and glass expanding as they warm up. If you're still concerned, check on it right when it turns off for the night, mine usually make weird pinging and tapping noises for about 20min.
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CrayolaHalls
Dreams of Oceans
Registered: 08/15/10
Posts: 588
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Re: Bulb rattling sound [Re: Dr. Penguin]
#530594 - 02/25/11 09:53 AM (14 years, 2 months ago) |
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Quote:
Dr. Penguin said:
Its pretty normal when the air temp is cooler, my bulbs do it all the time. I think its just the metal and glass expanding as they warm up. If you're still concerned, check on it right when it turns off for the night, mine usually make weird pinging and tapping noises for about 20min.
Good advice. The other thing I was thinking of was that you could be picking up a vibration that starts someplace else (like a fan).
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I am not a cannabis grower. I find the cannabis growers to be the most open to experimenting and sharing out of all of the different botany groups I enjoy. I frequently use the suggestions that I find to apply to own organic gardening and food production.
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RasJeph
Psycho Pete
Registered: 01/14/09
Posts: 11,657
Loc: Bumfuckt Egypt
Last seen: 1 year, 5 months
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Re: Bulb rattling sound [Re: Dr. Penguin]
#530601 - 02/25/11 11:36 AM (14 years, 2 months ago) |
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Quote:
Dr. Penguin said:
Its pretty normal when the air temp is cooler, my bulbs do it all the time. I think its just the metal and glass expanding as they warm up. If you're still concerned, check on it right when it turns off for the night, mine usually make weird pinging and tapping noises for about 20min.
Yeah, mine makes that same creaking sound.
OK, cool. I'm glad its nothing to worry about 
And I don't think its the fan, because thats not on the timer, its just on 24/7. Good call though.
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Of course it's happening inside your head.
Why should that mean it isn't real?
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maryanne3087
Stranger
Registered: 06/27/10
Posts: 1,111
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Re: Bulb rattling sound [Re: RasJeph]
#531187 - 02/27/11 07:50 AM (14 years, 1 month ago) |
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According to the box my SolarMax bulb came in parts of the bulb reach 1100 C and I imagine quite rapidly from your 24C room temp
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double
Diesel
Registered: 02/12/11
Posts: 207
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depends on your bulb I guess. I've had lights which rattled when they were poorly cabled dunno about which rattling are you referring to though, it light is steady and it does not emit sparks then nothing to worry about 
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