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Old 11-13-2011, 05:07 PM   #1
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T5 lighting

Which t5 HO is the best ? I just replaced my aqua life actinic for a Cora life ( every 6 months I change two bulbs ). It's more purple than blue. Does it matter ? Any help would be appreciated.
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Old 11-13-2011, 05:11 PM   #2
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i would chaneg the lamps every 9 months and 1 month apart for each lamp as not to completly shock the system.

as for lamps i would use ATI, KZ or gueismann lamps, ATI being the cheapest and the same PAR as the KZ which will mostliekly be the top two brands
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Old 11-13-2011, 05:14 PM   #3
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I'm changing from 4 t5 to 2 mh 250w and 2 t5 what's the best way not to shock my corals plz help
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Old 11-13-2011, 05:17 PM   #4
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put the MH on and then slowly work in the T5s
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Old 11-13-2011, 05:19 PM   #5
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Should I have it high up and lower it and if so what sort of time scale till they used to it . Can it kill my corals????
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Old 11-13-2011, 05:28 PM   #6
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if they aren't properly acclimated then yes they can be killed. although if its alot of low light mushrooms that you have i think they should be alright. you can also place them lower in the tank so they get less light and slowly move them to where they seem to do best
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Old 11-13-2011, 05:31 PM   #7
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Ok I got alot of mushrooms low down my high up corals are torch , duncans , and my prized coral a candy cane should I lower them there are about 6" from the top
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Old 11-13-2011, 05:32 PM   #8
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Also how low can the mh be from the water ?
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Old 11-13-2011, 05:33 PM   #9
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i'd keep them about 6 inches up maybe more. they can heat up the water if they are too low
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Old 11-13-2011, 05:35 PM   #10
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Was hoping to put it right on top of my aquarium . This asking for trouble I take it
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