My inexpensive CFL light solution - Page 7 - The Planted Tank Forum
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post #91 of 269 (permalink) Old 01-20-2012, 04:09 AM
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I use the same 23W 6500k bulbs from Lowe's and 10" domes, looking pretty good so far. I just built that "stand" this past Monday. I'm trying to get my HC to carpet the bottom. I started from one little pot and it looks like its growing out, slowly but surely. My sword grows a new full leaf per week too. I dose Excel every night and Flourish and dry ferts only once a week. Might up it to twice a week depending on how the plants look.
whats the plant with the red on it in the center?
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post #92 of 269 (permalink) Old 01-20-2012, 04:14 AM
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Is that a 10 gallon? Are you running pressurized CO2? How long has your tank been set up? 46w of CFL is a LOT of light for that tank! I was running 23 watters on my 40b and I backed down to 13...everything is MUCH easier to handle and I have about 30 species in there, all growing well.

i think it looks like a 15 tall or a 20 gal im thinking, idk though

and moose my tank seems to handle the 3 23 watt ones fine =) finally found the damn bulbs at lowes after weeks of going there over and over. all the 6500k stuff was sold out, really i think it was just m00se stocking up lol
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post #93 of 269 (permalink) Old 01-20-2012, 05:03 AM
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LOL - their merchandising for light bulbs leave a bit to be desired doesn't it. Looks like a 10 gal to me but I sure could be wrong.
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post #94 of 269 (permalink) Old 01-20-2012, 05:15 AM
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I buy mine at Walmart. Easier to find and probably cheaper too. I get a two pack for around $8.

Anyways, I am setting up a 20L shrimp tank, low to medium/low plants. Should I go 3 fixtures due to length? 13w bulbs off the tank however far I need to go? It will be mostly mosses and Java Fern in the tank.

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post #95 of 269 (permalink) Old 01-20-2012, 05:22 AM
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Lowes and home debot doesn't carry 6500k cfl anymore.
The 65k has been replace by 55k.

You will have to look else where like walmart or order online.
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post #96 of 269 (permalink) Old 01-20-2012, 05:29 AM
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13w are plenty of light for a 13" height tank. You might get away with three 8" width lamps. They'll probably be really close together. Walmarts around here only sell the 2700K "soft white" bulbs. One thing to consider is that the bulbs on those brooder lamps stick out the bottom slightly. I had to add opaque plastic "extenders" on the bottom rim of the ones I had or the light really spilled into the room and made looking at the tank difficult from a sitting position. That's why I went with the deep domes from Zoo Med. More money but well worth it to me.
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post #97 of 269 (permalink) Old 01-20-2012, 05:54 AM
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Lowes and home debot doesn't carry 6500k cfl anymore.
The 65k has been replace by 55k.

You will have to look else where like walmart or order online.
as of when? i bought my 6500ks like 2 weeks ago...
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post #98 of 269 (permalink) Old 01-20-2012, 06:48 AM
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I have a question about putting the lights directly over a glass top. Most of them have that strip of plastic in the middle that's a hinge so you can open it right? Do you guys just ignore it when putting the lights and just put it directly on top of that?
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post #99 of 269 (permalink) Old 01-20-2012, 06:56 AM
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i have had mine rest directly on top of it, its not a prob, the cool water under the glass keeps the glass cool anyways, the plastic barely even felt room temperature whenever id lift a dome and touch it., also the plastic sticks up like 16th-8th inch, so if the dome is on it in the very middle, the only part of the dome thats touching is where its on the plastic, the rest of the bottom of the dome should be up off the glass that amount which would also act like a vet too. plus if need be u can always drill bigger vent holes in the top of the dome if ur paranoid
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post #100 of 269 (permalink) Old 01-26-2012, 02:00 AM
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Quote:
Originally Posted by m00se View Post
Is that a 10 gallon? Are you running pressurized CO2? How long has your tank been set up? 46w of CFL is a LOT of light for that tank! I was running 23 watters on my 40b and I backed down to 13...everything is MUCH easier to handle and I have about 30 species in there, all growing well.
Sorry for the late reply - my tank is a 20g High - 24L x 12W x 16H inches. I went with the 23W bulbs because of the CFL PAR data (http://www.plantedtank.net/forums/li...tml#post837592). According to that, with a 23W bulb about 18" above the substrate, I would get around 55 PAR for my HC. 19W or 13W bulbs would provide less.
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post #101 of 269 (permalink) Old 01-26-2012, 02:04 AM
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whats the plant with the red on it in the center?
The plant with the red is this one (I got it from the site too):

http://www.aquariumplants.com/Telant...ii_p/bp031.htm
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post #102 of 269 (permalink) Old 01-26-2012, 02:09 AM
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Quote:
Originally Posted by m00se View Post
Is that a 10 gallon? Are you running pressurized CO2? How long has your tank been set up? 46w of CFL is a LOT of light for that tank! I was running 23 watters on my 40b and I backed down to 13...everything is MUCH easier to handle and I have about 30 species in there, all growing well.
Also, I'm not running any CO2, just doing Excel and dry ferts. I don't plan on having any CO2, I like the low maintenance of low tech. I've had the tank set up for two months now (I went with mineralized topsoil capped wit Eco complete). I have had the expected brown diatom algae and some short "hair" like algae on most of my leaves, but I have RCS's and pond snails and an oto that have since gobbled them all up.
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post #103 of 269 (permalink) Old 01-26-2012, 03:08 AM
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I think that would put you into the medium-high range actually. I battled hair algae at that light level too until I started pressurized CO2. It's all in what you want out of your tank though isn't it. When I was running the 23w bulbs I had a lot of really fast growth. Since then I've gone to 13w and the deep dome lamps, and it's much easier to maintain. I do want to experiment with the 19w or even go back to the 23w with these new lamps. I might do what this weekend and just see how some of my plants react.

Cheers
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post #104 of 269 (permalink) Old 01-26-2012, 04:47 AM
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Quote:
Originally Posted by PeterN1986 View Post
I use the same 23W 6500k bulbs from Lowe's and 10" domes, looking pretty good so far. I just built that "stand" this past Monday. I'm trying to get my HC to carpet the bottom. I started from one little pot and it looks like its growing out, slowly but surely. My sword grows a new full leaf per week too. I dose Excel every night and Flourish and dry ferts only once a week. Might up it to twice a week depending on how the plants look.
I'm liking the stand, would you be willing to explain how you made it, materials, etc?

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post #105 of 269 (permalink) Old 01-26-2012, 06:59 AM
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I use 6500k daylight bulbs from home depot. I also see very good growth (supplement w co2).

I was able to fit one in a hood made for incandescent bulbs. Had to trim the reflector to fit the spiral bulb. I like your option - less work.
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