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#1
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Metal Halides How High Above Water?
I am trying to figure out how high above the water to mount my 250w Metal Halides. I have three 250 DE in Lumenmax pendants.
How high above the water do I mount them from the bottom of the pendant to the water? I also have a glass brace. How high above the brace do I mount it from the bottom of the pendant to the brace? Thanks. |
#2
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i mounted my MH 6" from the water.
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#3
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6" from the bulb or the bottom of the pendant.
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#4
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The bottom of the pendant.
__________________
Eileen |
#5
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Another vote for 6".
My brother lives in Cape Coral; S.E. 28th Terrace. I could not stop laughing at the burrow owls, only because the Dead Milkmen sung about them in "Stuart". I didn't know there was really such a thing.
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The irony of 2007 is a disgustingly fat multi-millionaire trying to tell me I need to cut back on my consumption. |
#6
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I do 10", it really depends on your corals. As your corals grow up you will need to raise them as to not burn them.
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#7
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I keep mine about 6" from the water surface. Any higher than that, and too much light spills into the room. *sadface*
__________________
- Justin |
#8
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I'm at ~8"
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#9
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Great.
How far from the glass center brace? |
#10
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I tried running the one above the glass brace lower; other than making the glass hotter, I don't really know if there is any benefit. I found that the hotter the glass, the faster the salt dried on it.
__________________
The irony of 2007 is a disgustingly fat multi-millionaire trying to tell me I need to cut back on my consumption. |
#11
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Okay, now I'm at 5"...
What's a "glass brace"?
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- Justin |
#12
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My 2x 250 watters have to be at least 10" above the water line. Anything lower and my tank heats up fast.
__________________
Have Frags - Will Travel |
#13
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7" here
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#14
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my coralife dual 150w hqi system sits about 3 inches of the water. but i alos have glass tops on. and its in a somewhat enclosed canopy. i didnt want lights hanging above the tank, had to fit into the canopy.
any how the legs that they supply you with on the system only make it about 2 inches from the surface anyway, |
#15
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12" bulb to water.
__________________
Dave "The wind blew, the detritus flew and then they came two by two." |
#16
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I keep mine 5" from the water surface.
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