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Old 05-10-2012, 07:35 AM   #1
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Quick lighting question

Hi.

I have a 39 Gallon tank that I bought with a stock standard hood with lights. I'm thinking of doing away with this hood and replacing with a better lighting unit.

Will 2x25W T5HO be enough to keep a frogspawn and hammer coral happy? These two corals are the only corals that arent doing well with my current setup.

The tank is about 70cm Deep
(exact tank is an aquaone 620T)

Any feedback would be greatly appreciated.
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Old 05-10-2012, 08:44 AM   #2
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Im no expert but I think if your spending money on a new light make sure it is a good one. I honestly don't know if that would work or not. I would lean more toward a 4 bulb t5 fixture at maybe 54 watts a bulb.
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Old 05-10-2012, 09:01 AM   #3
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yeah. I just can't seem to find a 22' light housing that fits 4 or even 6 t5 bulbs.
Lighting is by far the most difficult aspect of this hobby (IMO)

Anyone got any reccomendations?
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Old 05-10-2012, 09:30 AM   #4
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t5ho won't be able to penetrate 70cm ( 28inches) look at mh or led. this unite below is the best bang for the buck I would recommend the dimmable but either will work.
120 Watt DIMMABLE coral reef LED fixture 120w white blue grow light | eBay

New Aquarium Led Grow Lights Lighting White Blue Coral Reef Fish Tank 120W | eBay

any of the 120w led aquarium lights will work many brands such as taotronics.

you will be able to grow anything with that light
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Old 05-10-2012, 09:43 AM   #5
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Ok cool. would I only need one of those with a 39 Gallon Tank?
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Old 05-10-2012, 10:07 AM   #6
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how wide is the tank 24'? if it is less the 36"s wide i would say you are good to go with one.
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Old 05-10-2012, 10:33 AM   #7
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its just under 24 inches. Thanks for the help. I'm gonna try get one ordered tomorrow.
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Old 05-10-2012, 11:00 AM   #8
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just remember that if when you set this up make sure you acclimate your coral to this light it is powerful. start it like 2ft or 3ft above the tank and lower it each day. if its dimmable lower it to half power and start it about 2 feet above your tank. once your coral get used to the powerful light they will love it.
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Old 05-10-2012, 08:04 PM   #9
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Hi, Ive done a bit of looking around and I can get this brand from within Australia where I live. Can someone have a quick look at the specs and let me know if its suitable? Thankyou

Usage: Marine/Reef Aquariums
LED Count: 90 LEDs
White LED: 12,000 - 14,000k
Blue LED: 450 Nm
Wattage : 120 W

Direct link to the product:
Octopus Grow Marine LED 120W Reflector

Thankyou all very much.
I would go with the dimmable one. But Im not sure they ship out to Australia.

thanks
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