Need help with choosing light for tank
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Old 08-24-2014, 01:01 AM   #1
Ashyario
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Need help with choosing light for tank


Hey guys , I'm a noob with planted tanks. Just got a 84x36x48 cm aquarium on ebay but it did not come with a light source. I was looking online but found that most recommended lights were like 200 pounds. I found this light on amazon which I have posted the link below but can some one advice me if it will be enough for a well planted tank.i am planning on getting the 90cm 21 watt option .Thanks Ash

[Ebay Link Removed]

Bump: Sorry the link was removed for some reason.and I found this light on ebay not amazon

itm/Aquarium-Fish-Tank-Overhead-T5-White-Blue-Light-Lighting-Aluminum-Lamp-3-Model-/261280849825?pt=UK_Pet_Supplies_Fish&var=&hash=ite m3cd58d5fa1

Please type in www.no ebay links allowed Co .uk and paste link after thanks
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Old 08-24-2014, 05:06 AM   #2
xxUnRaTeDxxRkOxx
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Yeah e-b-a-y links don't work on this site, they're automatically removed if you post them.
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100 gallon tank needs resealed - 45 gallon tank currently running as fake plant system - 30 gallon tank needs work on the stand
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Old 08-24-2014, 06:26 AM   #3
ashokjr
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Well. Blue light doesnt do much for your plants. There are folks who complained that algae grew abundantly with the blue light. Try to get a T5HO light and use 2 daylight bulbs in it, each with 6500k light spectrum. your plants would thank you.

I did a quick search in ebay and saw this item for about 40.

Zoo Med AquaSun T5-HO Double Light Linear Fluorescent Hood, 30-Inch New
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Old 08-24-2014, 12:22 PM   #4
Ashyario
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Thanks for the reply askokjr will look at that
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Old 08-24-2014, 09:54 PM   #5
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You can get an 80" T5HO light on aquatraders for under $200. I have had good luck with my smaller one. Had for for a year. The bulbs that come with it are not much but I ordered new bulbs from 1000bulbs and the light works great. If you want a cheap solution for now go with spiral CFL bulbs in a metal clamp light or similar fixture. Four or five of those would get you into medium to high light for under $50. Any light fixture that holds CFL bulbs and can be mounted over the tank would work.
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Old 08-26-2014, 09:29 PM   #6
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Thanks wildroseofky the cfl bulbs sounds like a good option. Considering I have got a 35 gallon tank and im using 3 CFL bulbs, how many watts does each need to be to get high light? also i need to get full spectrum cfl bulbs right? because im from the uk everything is like double the price here you guys from the US are soo lucky
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Old 08-27-2014, 04:08 AM   #7
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I have a 29 gallon high and use three 27 watt CFL bulbs to get high light. I have them mounted about 4 inches above the water line. You need to look for bulbs that are 6500K. They are listed as daylight or full spectrum bulbs. On my 10 gallon tank I have two 23 watt bulbs and get really high light. I get as good of growth on my high light plants as my 20 long tank with a dual T5 light. It seems to me that the CFL's penetrate the deeper tank better. I was using the T5 on my 29g high tank and was not getting as good a plant growth as when I used the CFL lights so I switched it back to the CFL bulbs. I buy my bulbs at Walmart. There is also a company called 1000bulbs.com that has some great deals on lights and bulbs. They now ship internationally so that might be an option. They have great prices on replacement T5 bulbs.
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