Growing Plants with flouros...oooh man :( - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 06-19-2005, 09:19 AM Thread Starter
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Growing Plants with flouros...oooh man :(

Im starting a new planted tank and was going to go get metal halides but them being outlawed by my father, who pays the elec bill, i was left with flouros. I have seen people being successful with flouro's before, but myself, i think "man this is going to be hard using flouros.

I plan to go zero aeration, 4 or 5 flouros,full CO2 fertilization, PPMD, Soil + gravel substrate laterite enhanced with added vermiculite.

As far as i can see the only weakness in my setup is my lights. 5 x 20watts over a 20 gallon. Yes thats 5wpg, but peeps, flouros have bugger all intensity and the wpg is almost irrelevant.

So Iam going to grow only low light plants and hopefully will be successful.

What do you guys think, has anyone been successful using flouros with plants that have high light demands...? any experiences?
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post #2 of 8 (permalink) Old 06-19-2005, 12:53 PM
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Hi Robert, When you say flouros I asuming you are talking about normal output flourecents? You could go with compact flouros which is what most people use on this site and have great success with.

5 watts per gallon over a 20 gallon is a high light tank and should be planted as such. Even if you were only using white paint as a reflector in your hood it still is going to be a high light tank that need co2 and lots of plants with all of the ferts that go along with high light tanks.
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post #3 of 8 (permalink) Old 06-19-2005, 01:09 PM
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Yup. I'm only using two flo tubes: 18 watts and 20 watts over mine. That's um....... 1.8 watts per gallon (I think.... lol). I'm using plain driveway gravel, no CO2, and a squirt of ferts every now and then and am able to grow swords just fine.

No worries....
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post #4 of 8 (permalink) Old 06-19-2005, 01:54 PM
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another thing about compact fluorescents is their energy efficiency. they blow t8s and t12s away... an argument for you if energy consuption is the main concern.

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post #5 of 8 (permalink) Old 06-19-2005, 02:02 PM
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The watts per gallon rule is/was based on normal output fluorescent tubes with little to no reflectors.
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post #6 of 8 (permalink) Old 06-19-2005, 03:13 PM
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I've got 2-30 watt tritons (in a twin tube reflector hood) over my 30 gallon tank and my husband insists it's his favorite tank in the house. While I can't grow everything in this tank, most plants grow and many look better in this tank than they do in my higher light tanks.

When I first found this site, I was rediscovering the hobby and pc lighting was a new treat (yes, I'm that old and have been doing it that long). It was exciting for about 6 months. I've throttled the light back to between 2 and 3 wpg on all but 2 tanks since. It's just easier to keep things stable. To be fair, I'm a DIY co2 kinda gal and that does make a huge difference at higher light levels.
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post #7 of 8 (permalink) Old 06-19-2005, 08:19 PM
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Wouldn't one 70w metal halide use less electricity than 5 20w fluorescent?
Or is your dad more worried about the start-up costs?
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post #8 of 8 (permalink) Old 06-19-2005, 11:53 PM
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Quote:
Originally Posted by Oqsy
another thing about compact fluorescents is their energy efficiency. they blow t8s and t12s away... an argument for you if energy consuption is the main concern.

Oqsy
Of course we need to define "energy efficiency", but generally speaking I don't think that is true. T8's and T5's can beat PC's in efficiency. More lumens, yes. More light from a smaller bulb, yes. But also more heat, and losses due to the U-shape. If you look at lumen/watt numbers, you will find that most of the common NO fluorescents will not be blown away by PC lights.


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