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-   -   Replacing T5 HO tubes with HE (http://www.diychatroom.com/f18/replacing-t5-ho-tubes-he-151633/)

BornYesterday 07-26-2012 07:33 PM

Replacing T5 HO tubes with HE
 
Hi,

Just bought a T5 aquarium light with HO tubes, for some reason this new T5 HO light is not as bright as the old T5 HE light, wanting to make the best of this new light, is it possible for me to replace the T5 HO tubes in the new light with T5 HE tubes, without the risk of burning my house down? I have very little electrical knowledge, so forgive me if this is a dumb question.

Thanks

stickboy1375 07-26-2012 08:53 PM

Quote:

Originally Posted by BornYesterday
Hi,

Just bought a T5 aquarium light with HO tubes, for some reason this new T5 HO light is not as bright as the old T5 HE light, wanting to make the best of this new light, is it possible for me to replace the T5 HO tubes in the new light with T5 HE tubes, without the risk of burning my house down? I have very little electrical knowledge, so forgive me if this is a dumb question.

Thanks

You have to go off the ballast, check that and see if it's compatible....

BornYesterday 07-26-2012 09:02 PM

Ballast is for 39w high output
 
Quote:

Originally Posted by stickboy1375 (Post 975088)
You have to go off the ballast, check that and see if it's compatible....

Hi Stickboy,

The ballast is 39w and the tubes currently fixed to the light is also 39W HO, can I replace these tubes with 21W HE tubes.

Thanks

stickboy1375 07-26-2012 09:23 PM

Quote:

Originally Posted by BornYesterday (Post 975096)
Hi Stickboy,

The ballast is 39w and the tubes currently fixed to the light is also 39W HO, can I replace these tubes with 21W HE tubes.

Thanks

The ballast will list every compatible lamp. If unsure, call the ballast manufacture.

Missouri Bound 07-26-2012 09:30 PM

Quote:

Originally Posted by BornYesterday (Post 975096)
Hi Stickboy,

The ballast is 39w and the tubes currently fixed to the light is also 39W HO, can I replace these tubes with 21W HE tubes.

Thanks

Nope. The HE are specific for electronic ballasts with compatable wattages. You will overdrive the lamps and either burn them or the ballast out. If you must have the HE's you will need to change the ballast.

stickboy1375 07-26-2012 09:32 PM

Quote:

Originally Posted by Missouri Bound (Post 975115)
Nope. The HE are specific for electronic ballasts with compatable wattages. You will overdrive the lamps and either burn them or the ballast out. If you must have the HE's you will need to change the ballast.

I did a little research and came to the same conclusion, but with so much changing technology, I didnt want to assume anything.

Missouri Bound 07-26-2012 09:36 PM

Quote:

Originally Posted by stickboy1375 (Post 975118)
I did a little research and came to the same conclusion, but with so much changing technology, I didnt want to assume anything.

I hear ya. I've been working with lamps and ballasts for about 30 years and it is constantly changing. It's like albums to 8 track to cassette to cd's and now digital.:whistling2:

stickboy1375 07-26-2012 09:38 PM

Quote:

Originally Posted by Missouri Bound (Post 975121)
I hear ya. I've been working with lamps and ballasts for about 30 years and it is constantly changing. It's like albums to 8 track to cassette to cd's and now digital.:whistling2:

I've only used T5 lamps a few times, and we only install fluorescents in closets. :) More on the MR16 and low voltage side of the lighting spectrum. :)

BornYesterday 07-26-2012 10:01 PM

Thanks StickBoy and Missouri Bound
 
Hi StickBoy and Missouri Bound

Thanks for all your help, will look into replacing the ballasts, are they expensive? The light costed me $170.

k_buz 07-27-2012 06:32 AM

Fluorescent lights take a while to burn in. Give them a week or so, and they will be brighter than the day you installed them.

BornYesterday 07-27-2012 09:06 PM

Quote:

Originally Posted by k_buz (Post 975310)
Fluorescent lights take a while to burn in. Give them a week or so, and they will be brighter than the day you installed them.

Had it for over a week now, will wait for another week to see if it improve.
Thank

stickboy1375 07-27-2012 09:08 PM

Quote:

Originally Posted by k_buz (Post 975310)
Fluorescent lights take a while to burn in. Give them a week or so, and they will be brighter than the day you installed them.

Is it true or not to initially leave them on for awhile to burn in?


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