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lumens of fluorescent tubes

This is a discussion on lumens of fluorescent tubes within the Beginner Planted Aquarium forums, part of the Beginner Freshwater Aquarium category; --> That's good; keep us posted. And we all love photos . Byron....

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lumens of fluorescent tubes
Old 03-25-2010, 09:45 AM   #21
 
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That's good; keep us posted. And we all love photos. Byron.
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Old 03-25-2010, 09:55 AM   #22
 
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Happened upon a 46 Gallon Bow this weekend also. Getting it set up and ready. I can't seem to find the GE Daylights in T8 36", and haven't seen any GE 9325 (Aqua-Rays?) at all. Still looking though. No luck at the Crossville Lowe's. Going to check here today.
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I'll look around my known places here in town for a 36" daylight for ya and let you know when I find stuff!!! Why could you not have found a tank that need 4ft'ers I got plenty spare one's of them
Oh hey if you get a chance also check the Walmart in Cookeville for either Bright Effects, Phillips or GE Daylights

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New bulbs came in today. They make my tank look much better. It doesn't seem to be flooded with light now. I can only hope the plants respond positively as well. Thanks for all of your help!
You seen how dim my 45&55 was....When I changed the 55g from 64 to only 32w I had a lil issue at first with some Cryts melting 2-3 leaves off but then that was it as far as light adjusting issues.
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Old 03-25-2010, 10:16 AM   #23
 
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Ferts are definitely helping. Too early to say about the lights, but this morning I checked and I had a lot of new growth on 90% of the plants. The pennywort is really lush and is spreading, new root growth on my anubias nana, and all of my cabomba have buds where it's growing new fans.

Also had 3 tiny ramhorns. =D
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Old 03-25-2010, 01:30 PM   #24
 
I would recommend to anybody, if your are having difficulties to get the proper bulbs or fixtures. Your local electrical contractor could get them for you with the different info on the spectrum of the light. They do have access to different Electrical distributors. The cost might be a bit more, but they are always a good resource.
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Old 04-05-2010, 09:22 AM   #25
 
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As much as I would like to update on the plants in my 55 it wouldn't be fair to the plants. I had a bout with Ich and the salt treatment is putting a damper on things. They aren't dead, but they aren't exactly vibrant either. I think once I can go back to a normal system they will repond well enough.

As for the 36" dilemma goes, it continues. I have had zero luck finding bulbs at Lowe's, Wal-Mart, geenhouses, or even pet stores. The LFS guy will order them for me, no doubt... but man I hate paying "aquarium bulb" prices when I KNOW there has to be alternatives. I may just have to suck it up and pay out though cause I'm runnning out of options. I tried to see if Lowe's could order the GE in 36 T8 and they said they can only get T12 from GE... which seems odd.

I'm also considering just getting a dual bulb 24 inch T8 fixture. That would solve most of the problem, but seems kind of a silly route to take.
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Old 04-06-2010, 03:27 PM   #26
 
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I've got a flora-sun by ZooMed on order for the 46. This is more of a bandaide fix than a perma solution though. It would seem my lfs can order 36 easily enough, but man 20 a bulb is kinda rough.

So can any of you think of alternative options? Maybe retro this 36 light for CFLs per the walkthrough in the DIY? Get a dual T12 36" fixture since I can find those bulbs more readily? Also, not suprisingly, I can find T5 HO 36" bulbs cheaper than what I can order the T8s for. This is all kind of ridiculous IMO. I cannot fathom why 36" T8s are so hard to find around here.

Is a single T8 30w going to be enough for the tank even?
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Old 04-06-2010, 05:03 PM   #27
 
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My preference would be for a single tube that extends along all or most of the tank length, as opposed to shorter tubes in a pair. The light is more evenly distributed which obviously makes a difference on the plants under it.

So the tube itself is 36 inches, correct? DrsFoster&Smith website, which is in the US, has Zoo Med Ultra Sun 36-inch for 13.99, and Hagen's Life-Glo 2 36-inch for $17.49. These are both very good tubes, and are T8. Other sites may be less expensive than this, I only use them because of their technical data but have never ordered from them.

By the way, a T8 and T12 will fit the same fixture, the T8 tubes are better (T12's are being phased out). T5 requires different fixture, and it comes in NO [normal output which is comparable to T8 regular tube intensity] and HO [high output which is significantly more intense, about 1.5 times more than the same size NO or T8].
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Old 04-07-2010, 11:18 AM   #28
 
You are right Byron, one thing to mention, to make surte you do have a compatible ballast for the tube. A T12 ballast will not work on a T8 and vice-versa.
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Old 04-07-2010, 12:05 PM   #29
 
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You are right Byron, one thing to mention, to make surte you do have a compatible ballast for the tube. A T12 ballast will not work on a T8 and vice-versa.
If memory serves me someone mentioned this quite a while back in another thread. I have used T8 and T12 in the same fixture with no problems that I could see. Maybe the fixtures have ballast that takes either? The hardware store says T8 will work in T12...I'm confused a bit.
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Old 04-07-2010, 12:48 PM   #30
 
The T12 ballast is magnetic and the T8 is usually electronic. They could work for a while but no garranty. It does not matter for the type of lamp if it is cool white, Daylight, warm white as long as you do stay with the same T12 or T8. Written on the ballast, it will tell you what type and length of lamp will work.
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