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What light to use~10,000k 18,000k both?

This is a discussion on What light to use~10,000k 18,000k both? within the Beginner Planted Aquarium forums, part of the Beginner Freshwater Aquarium category; --> Originally Posted by Byron Geomancer and Jayy have responded but I will just add a couple of ideas. Forget the CO2, at this stage ...

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What light to use~10,000k 18,000k both?
Old 03-30-2012, 04:24 AM   #11
 
How about this kind white LED with blue

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Originally Posted by Byron View Post
Geomancer and Jayy have responded but I will just add a couple of ideas. Forget the CO2, at this stage you should go with the natural method.

If the one fixture is a T5, then only T5 tubes will work in it. You cannot use T8 tubes in T5 fixtures, or vice-versa; for one thing the pin alignment is different. [I think this is what Geo meant but typed T5 instead of T8]. A single T5 tube over your tank will likely be sufficient [what is the tank volume and length?] and you can use the Power-Glo. It will give a slightly purplish hue which I personally don't much care for, but I know it will grow plants. My choice for a T5 tube would be the Life-Glo 2 (same manufacturer) or the ZooMed Ultra Sun. Both have a 6700K. These are sold in fish stores. I've no idea what, if any, T5 tubes are carried in Lowe's and similar, I get T8 tubes from these stores.

If one of the fixtures is T8, taking "regular" tubes, then again a single tube will likely be sufficient [knowing the tank specs will help us here], possibly two tubes (both T8). Life-Glo 2 and ZooMed Ultra Sun come in T8 too. And you can get the "Daylight" tubes with a 6500K made by GE, Phillips or Sylvania at Lowe's (whichever they carry).

But we really should pin down the tank and fixtures before we send you off hither and yon.
Hey ,everyone , my friend recommend this kind of LED lighting , what do you think about it for 10G fish tank . http://i1149.photobucket.com/albums/...726/ledbar.jpg
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Old 03-30-2012, 10:34 AM   #12
 
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Hey ,everyone , my friend recommend this kind of LED lighting , what do you think about it for 10G fish tank . http://i1149.photobucket.com/albums/...726/ledbar.jpg
I've not tried LED lighting myself, but I have seen some nice small (under 20g) planted tanks in one of my local fish stores with LED units. It seems to take a lot of lights to get the necessary intensity, but over small tanks this would appear to be a viable option.
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Old 03-30-2012, 04:43 PM   #13
 
Lowes mostly caries T8 tubes at 6500K. I know I saw a 36", 24" and 18" tube in the 6500K there yesterday at my local store.

She said it was a 36" tube. So I suspect a large tank.
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Old 03-30-2012, 05:51 PM   #14
 
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I'm not sure about the depth. The little ones ran off with my measuring tape. It's a 49 gallon bowed front, 36 inches across the top. I have 4 amazon swords, two java ferns, one hornwort that I recently planted in the sand/small stones, two crypts, a banana plant, and a few bulbs that I'm hoping grow. All tiny right now. Are the swords two close together if the leaves are touching?
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Old 03-31-2012, 12:30 PM   #15
 
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I'm not sure about the depth. The little ones ran off with my measuring tape. It's a 49 gallon bowed front, 36 inches across the top. I have 4 amazon swords, two java ferns, one hornwort that I recently planted in the sand/small stones, two crypts, a banana plant, and a few bulbs that I'm hoping grow. All tiny right now. Are the swords two close together if the leaves are touching?
OK, so I am assuming from everything you've mentioned in this thread that the fixtures you now have are full length across the tank, which is 36 inches and the tubes are 36 inches. This being so, then a single T5 HO would work fine. A single T8 same length would also work wiht a bit less light but still manageable. Low and moderate light plants. Whichever, a tube with a kelvin around 6500K.
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Old 04-01-2012, 11:54 AM   #16
 
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OK, so I am assuming from everything you've mentioned in this thread that the fixtures you now have are full length across the tank, which is 36 inches and the tubes are 36 inches. This being so, then a single T5 HO would work fine. A single T8 same length would also work with a bit less light but still manageable. Low and moderate light plants. Whichever, a tube with a kelvin around 6500K.
Okay thanks! I'll have the bf pick up a 6500k t5HO to replace the 10,000k. I found out why the lights looked orange too. A water change made me realize that my driftwood was leaking tannins into the water.
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