Lighting for a 135 gallon tank
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Lighting for a 135 gallon tank

This is a discussion on Lighting for a 135 gallon tank within the Beginner Planted Aquarium forums, part of the Beginner Freshwater Aquarium category; --> Right now I have two t-12 36" 30 watts 6500k tubes. One on each side... Is this enough?...

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Lighting for a 135 gallon tank
Old 03-30-2011, 02:56 PM   #1
 
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Lighting for a 135 gallon tank

Right now I have two t-12 36" 30 watts 6500k tubes. One on each side... Is this enough?
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Old 03-30-2011, 02:57 PM   #2
 
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Is this a planted tank??
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Old 03-30-2011, 03:15 PM   #3
 
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yes. low light tank. For example java ferns, anubias, Amazon frogbit, brazilian pennywort, and java moss.
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Old 03-31-2011, 12:44 PM   #4
 
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This is pushing it, but for those plants it may suffice, though the Frogbit is going to have difficulty. However, tubes do wear out fast. T12 is basically useless within a year and should be replaced at least every year though some have suggested every 6 months. However, T12 is being phased out, and the T8 tubes are more efficient and will last some say 2-3 years. You can't wait until they "burn out" as by then they would be useless, having lost so much light intensity as they burn.

T refers to the tube diameter, in eighths of an inch. So a T12 is 12/8 or 1.5 inches in diameter, a T8 is 8/8 or 1 inch. But the same tubes only in |T8. m Most manufacturers are now making tubes in T8 and not T12 anyway, since they are more efficient.

What is the brand of tube? I may have comments on this. And what is your fertilizer?

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Old 03-31-2011, 01:04 PM   #5
 
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General Electric I got them from lowes. I was looking for t8 but they only have t12 with specs I wanted. I'm going to use flourish for fertilizing. The reason why I'm limited to certain plants is because I'm using pool filter sand as substrate. Right now while the tank is cycling I planted some crypts and even tho' I placed some of those nutrafin tablets they are not doing so well. I really wish I could of found some cheap small gravel which it would of been better for the plants. But the only one I found would of been to expensive to cover such a big tank.
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Old 03-31-2011, 01:16 PM   #6
 
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Quote:
Originally Posted by johnnyjiron View Post
General Electric I got them from lowes. I was looking for t8 but they only have t12 with specs I wanted. I'm going to use flourish for fertilizing. The reason why I'm limited to certain plants is because I'm using pool filter sand as substrate. Right now while the tank is cycling I planted some crypts and even tho' I placed some of those nutrafin tablets they are not doing so well. I really wish I could of found some cheap small gravel which it would of been better for the plants. But the only one I found would of been to expensive to cover such a big tank.
Sand will work, I have a couple tanks with sand. Crypts do not like being moved, they will melt but come back, just don't disturb them. Flourish Comprehensive Supplement will work without substrate ferts. I use it.

Phillips make T8's in 6500K, the T12's are fine, they just wear out faster.
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Old 03-31-2011, 02:25 PM   #7
 
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What about valls?
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Old 04-01-2011, 01:29 PM   #8
 
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What about valls?
That might be really pushing it. I have Vallisneria spiralis growing in my 90g (and previously in the 70g) which both have two 48-inch tubes over them. You can try it, it may manage. Sometimes it is difficult to say definitively, other factors can make a difference too from tank to tank. Vallisneria are certainly not "low light" plants though.

Is the hood such that you have no option to replace the light fixture?

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Old 04-01-2011, 02:47 PM   #9
 
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well I would have to invest in a 6 feet light fixture. Right now Im using which look likes stock light fixtures.
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Old 04-01-2011, 03:15 PM   #10
 
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Originally Posted by johnnyjiron View Post
well I would have to invest in a 6 feet light fixture. Right now Im using which look likes stock light fixtures.
If you can add another fixture, similar to the one you have, that is one option. With a glass cover over the tank itself, adding fixtures is easy. But if the tank has a hood proper, that means replacing it. Just a thought should you decide more light is necessary.
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