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Old 10/06/2019, 07:56 AM   #1
five.five-six
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400W lamps in a Giessman Spectra

I love hearing all the ideas and thoughts about what should and shouldnít happen but Iíd really like to hear from people who actually have run 400W lamps in a Giessman Spectra for an appreciable amount of time.

Iím getting ready to switch from 250W to 400W SE Radium B lamps in my Giessman Spectra. I finished my PV system a month ago so electrical cost isnít really an issue. At issue is the fact that my old Air conditioner would have trouble keeping up with 1200 watts of any kind of lighting in the summer. Now that fall is upon us, thatís not an issue and I want to put in the 400W lamps.

I did install 1 400 watt lamp a few days ago in the center position and it does seem to make that section of the fixture noticeably warmer.

The question for people who have ran 400W lamps in a Giessman Spectra:

Was the extra heat a problem for the fixture?


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Originally posted by yellowslayer13:

"I hate that hole"

Current Tank Info: SCMAS Member 225 peninsula euroreef RS180 Apex 250W X 3 20k radiums mixed SPS
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Old 10/08/2019, 12:46 PM   #2
greekspec
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I would really consider the Giesemann 20K bulb over the Radium it's a more balance 20K bulb


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Old 10/09/2019, 02:39 PM   #3
Maximus
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I've run a 400w Radium for the past 2-3 years in my 24" Giesemann Spectra and have had no issues at all.


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Current Tank Info: 36x36x16 A.G.E. tank. Lighting: Giesemann Spectra w/400w 20k Radium and 4x24" T5's. Circulation: 2x Vortech MP40wQd's. Skimmer: ATB 840. Controller: Neptune Apex. Doser: Neptune Dos.
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Old 10/09/2019, 10:21 PM   #4
five.five-six
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Quote:
Originally Posted by Maximus View Post
I've run a 400w Radium for the past 2-3 years in my 24" Giesemann Spectra and have had no issues at all.
Outstanding . How dep is your tank? How do you like the results?


__________________
Originally posted by yellowslayer13:

"I hate that hole"

Current Tank Info: SCMAS Member 225 peninsula euroreef RS180 Apex 250W X 3 20k radiums mixed SPS
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Old 10/09/2019, 10:29 PM   #5
Maximus
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My tank is only 16” deep so it’s definitely overkill. In fact, it’s probably too much for my 36x36x16 tank. But I prefer overkill


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This space for rent...

Current Tank Info: 36x36x16 A.G.E. tank. Lighting: Giesemann Spectra w/400w 20k Radium and 4x24" T5's. Circulation: 2x Vortech MP40wQd's. Skimmer: ATB 840. Controller: Neptune Apex. Doser: Neptune Dos.
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Old 10/10/2019, 06:40 AM   #6
five.five-six
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Quote:
Originally Posted by greekspec View Post
I would really consider the Giesemann 20K bulb over the Radium it's a more balance 20K bulb
Well, I already have the Radiums. Iíll have to look, perhaps I have a set of Giesemann 20Kís too.


__________________
Originally posted by yellowslayer13:

"I hate that hole"

Current Tank Info: SCMAS Member 225 peninsula euroreef RS180 Apex 250W X 3 20k radiums mixed SPS
five.five-six is offline   Reply With Quote
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