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Old 01-31-2005, 12:23 PM   #1
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14000k mh

i head that you can use 14000k mh without atanic can i use 2 250 watt over a 75 gal
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Old 01-31-2005, 12:33 PM   #2
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Yes tat it is true the color of the 14K is such that actinics are not needed. Dual 250's over a 75 would be perfect! Checkout the coralvue retro kits there bulbs can always be substituted for 14K's.
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Old 01-31-2005, 12:34 PM   #3
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I know that the higher the k rating the more blue it has. I have 20,000 and don't need actinics. I don't know if 14,000 is enough to get rid of the blues or not. 2 250 is enough for a 75 . I you do need to use blues you could use the inexpensive no flour bulbs for a t12 fixture.
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Old 01-31-2005, 12:39 PM   #4
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Th 14K does have enough blue IMO to go without actinics.
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Old 01-31-2005, 12:58 PM   #5
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Yes I was typing my first reply while you were typing your first reply and apparently posted at the same time. I had the 14,000 for a while and they were a noticable improvement over the 10,000. Then I got the 20's and it was an amazing difference. I still use my actinics though because they allow me to have two timers and have the flour to come on and go off 1 hour before and after the mh to combat light shock. My fans are also hooked to that circuit to pull the residual heat from the mh after they go off.
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Old 02-01-2005, 11:54 AM   #6
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Yep. I love my 14K Coralvues. They provide the perfect blue for me. I rarely use my 10,000K on my coralife unit. I just use the actinics for dusk to dawn simulation.

Mike
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Old 02-01-2005, 03:33 PM   #7
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if i were to use 14k what would i use for the dawn and dusk efeects could i use 1 or 2 40 watt 50/50 bulbs for the dawn and dusk if i use the 14k
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Old 02-01-2005, 03:47 PM   #8
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Before I got my 14K MH, I used a Blue Moon 40w bulb for the dusk to dawn effect. It is a nice bulb and will enhance your tank color better.

Mike
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