24"Medal Halide on 36"TANK OK

ReefingRyan · 04/13/2011, 08:20 AM

Hey everyone i have a 24" medal halide light but i upgraded my tank to a 57 gallon tank which is 36" long but really cant afford to buy a new light i calculated the light to be about 6 watts per gallon will it be ok

Bamm Bamm · 04/13/2011, 08:24 AM

a 250w W the right reflector will light that whole tank..no problem... Im running a single 250 on my 48" 90g

ReefingRyan · 04/13/2011, 08:26 AM

yes its a 250w with 4 24w t5s

Bamm Bamm · 04/13/2011, 08:32 AM

should be fine..

nanojg · 04/13/2011, 08:39 AM

Quote:

Originally Posted by Bamm Bamm

a 250w W the right reflector will light that whole tank..no problem... Im running a single 250 on my 48" 90g

Yes, but this is a fixture, with a small reflector I presume (orbit?). I think it will be ok, but you will have darker areas on the outer few inches.

Bamm Bamm · 04/13/2011, 08:45 AM

being thats its a fixture you might need to hang it slightly higher to cover the tank.. I have about 8" on the left side of my 90g that is slightly shaded on mine..but i have a mini luminarc reflector

nanojg · 04/13/2011, 08:47 AM

I would think it would be considerably less spread than a luminarc! Those luminarcs are the best at spreading light.

ReefingRyan · 04/13/2011, 09:25 AM

what i don't get is that the 36" fixture only has one 250w but with longer t5s same medal halide just t5s are different

nanojg · 04/13/2011, 09:28 AM

IMO one metal halide is not enough for a 36" tank unless it is a top of the line, large reflector (lumenbright, lumenarc) and hung fairly high.

Bamm Bamm · 04/13/2011, 09:52 AM

on my 36" 62g(36x20x20) lee mar I had a 250w in a mini luminarc with perfect 100% coverage..light was mounted 10-12"above the water

ReefingRyan · 04/13/2011, 10:04 AM

yea thanks i will be hanging the light over the tank so i should be ok if not i will just have to buy a new light i just the that two medal halide on 36"TANK is not needed

04/13/2011, 08:20 AM	#1
ReefingRyan Registered Member Join Date: Sep 2010 Posts: 25	24"Medal Halide on 36"TANK OK Hey everyone i have a 24" medal halide light but i upgraded my tank to a 57 gallon tank which is 36" long but really cant afford to buy a new light i calculated the light to be about 6 watts per gallon will it be ok

04/13/2011, 08:24 AM	#2
Bamm Bamm Saltwater Guru Join Date: Mar 2000 Location: Brentwood, NOR CAL Posts: 9,309	a 250w W the right reflector will light that whole tank..no problem... Im running a single 250 on my 48" 90g __________________ 25g rimless cube in the works Current Tank Info: 60g cube

04/13/2011, 08:32 AM	#4
Bamm Bamm Saltwater Guru Join Date: Mar 2000 Location: Brentwood, NOR CAL Posts: 9,309	should be fine.. __________________ 25g rimless cube in the works Current Tank Info: 60g cube

04/13/2011, 08:45 AM	#6
Bamm Bamm Saltwater Guru Join Date: Mar 2000 Location: Brentwood, NOR CAL Posts: 9,309	being thats its a fixture you might need to hang it slightly higher to cover the tank.. I have about 8" on the left side of my 90g that is slightly shaded on mine..but i have a mini luminarc reflector __________________ 25g rimless cube in the works Current Tank Info: 60g cube

04/13/2011, 09:52 AM	#10
Bamm Bamm Saltwater Guru Join Date: Mar 2000 Location: Brentwood, NOR CAL Posts: 9,309	on my 36" 62g(36x20x20) lee mar I had a 250w in a mini luminarc with perfect 100% coverage..light was mounted 10-12"above the water __________________ 25g rimless cube in the works Current Tank Info: 60g cube

04/13/2011, 08:26 AM	#3
ReefingRyan Registered Member Join Date: Sep 2010 Posts: 25	yes its a 250w with 4 24w t5s

04/13/2011, 08:47 AM	#7
nanojg Registered Member Join Date: Jan 2009 Location: Lubbock, Texas Posts: 2,174	I would think it would be considerably less spread than a luminarc! Those luminarcs are the best at spreading light.

04/13/2011, 09:25 AM	#8
ReefingRyan Registered Member Join Date: Sep 2010 Posts: 25	what i don't get is that the 36" fixture only has one 250w but with longer t5s same medal halide just t5s are different

04/13/2011, 09:28 AM	#9
nanojg Registered Member Join Date: Jan 2009 Location: Lubbock, Texas Posts: 2,174	IMO one metal halide is not enough for a 36" tank unless it is a top of the line, large reflector (lumenbright, lumenarc) and hung fairly high.

04/13/2011, 10:04 AM	#11
ReefingRyan Registered Member Join Date: Sep 2010 Posts: 25	yea thanks i will be hanging the light over the tank so i should be ok if not i will just have to buy a new light i just the that two medal halide on 36"TANK is not needed

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