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#1
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How many watts per gallon should I install?
I'm trying to determine how much lighting to install over my upcoming tank.
It's a 37G tank (50G of water volume because it's hooked up to a sump). I'm hoping to plant it heavily with plants in the "easy to grow" category (ie: vals, java fern, etc.). My substrate will be flourite and I'm gonna install undergravel heating cables. I'm hoping to stay away from CO2, but I'll probably use Flourish Excel on a basis for the carbon and Flourish for other nutrients. The only thing I still have to figure out is how much wat of flourescent lighting to install. I'm gonna use 2 foot bulbs which would be 20Watts each. How many should I go with? Do I use the size of the tank (37G) or the total water volume (tank+sump=50G) to figure out the light ratio? I'm guessing just the tank size, so 37G. If I go with 2 bulbs I would have 40W, which would give me 1.08 wpg. I'm guessing that's too limiting? If I go with three bulbs I would have 60W or 1.62 wpg. Is that too much for a non CO2 tank? With four bulbs, I'd be at 2.16 wpg, which I'm thinking is definately too much for no CO2. However, I might very easily be wrong on my assumptions on how much light should go into a tank like mine, so if anyone could give me some feedback on what options to go with that would be great. Thanks, Harry -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 80,000 Newsgroups - 16 Different Servers! =----- |
#2
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How many watts per gallon should I install?
On Fri, 11 Apr 2003 12:49:22 -0400, "Harry Muscle"
wrote: I'm trying to determine how much lighting to install over my upcoming tank. It's a 37G tank (50G of water volume because it's hooked up to a sump). I'm hoping to plant it heavily with plants in the "easy to grow" category (ie: vals, java fern, etc.). My substrate will be flourite and I'm gonna install undergravel heating cables. I'm hoping to stay away from CO2, but I'll probably use Flourish Excel on a basis for the carbon and Flourish for other nutrients. The only thing I still have to figure out is how much wat of flourescent lighting to install. I'm gonna use 2 foot bulbs which would be 20Watts each. How many should I go with? Do I use the size of the tank (37G) or the total water volume (tank+sump=50G) to figure out the light ratio? I'm guessing just the tank size, so 37G. If I go with 2 bulbs I would have 40W, which would give me 1.08 wpg. I'm guessing that's too limiting? If I go with three bulbs I would have 60W or 1.62 wpg. Is that too much for a non CO2 tank? With four bulbs, I'd be at 2.16 wpg, which I'm thinking is definately too much for no CO2. However, I might very easily be wrong on my assumptions on how much light should go into a tank like mine, so if anyone could give me some feedback on what options to go with that would be great. Thanks, Harry Well I would use the money you are spending on the substrate heater and get a CO2 system, or go with compact florescent lights. I would go with no less than 2 wpg as that's a good number, and what I consider the bare minimum for good plant growth. You just use the size of the tank. Unless you want to put lights on the sump also. Why do you want to stay away from CO2? My CO2 system was the second best thing I did for my tank. First was the upgrade to AH Supply kits. Semper Fi! Visit the forums at Aqua Botanic! http://aquabotanicwetthumb.infopop.cc/#1 Need Nitrate or Potassium for your tank? Go to www.litemanu.com (Just a happy customer of the above!) |
#3
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How many watts per gallon should I install?
My substrate will be flourite and I'm gonna install
undergravel heating cables. I'm hoping to stay away from CO2, but I'll probably use Flourish Excel on a basis for the carbon and Flourish for other nutrients. Don't bother with undergravel heating cables. You'd be much better off putting that money toward a CO2 system and/or more lighting. Undergravel heating is of very limited value. Not worth the trouble, IMO. If I go with three bulbs I would have 60W or 1.62 wpg. Is that too much for a non CO2 tank? No. That would be a very low light tank, especially given the almost 2' depth. With four bulbs, I'd be at 2.16 wpg, which I'm thinking is definately too much for no CO2. I think that would be just right. Around two watts per gallon is good for a non-injected tank. As long as you stay under 3 wpg, you should be okay. (I have 2.25 wpg of PCF light over my low-tech tank.) Leigh http://www.fortunecity.com/lavender/halloween/881/ |
#4
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How many watts per gallon should I install?
a 37g tank is 24" high? if its 18" deep wouldn't that make it 20" wide?
"LeighMo" wrote in message ... My substrate will be flourite and I'm gonna install undergravel heating cables. I'm hoping to stay away from CO2, but I'll probably use Flourish Excel on a basis for the carbon and Flourish for other nutrients. Don't bother with undergravel heating cables. You'd be much better off putting that money toward a CO2 system and/or more lighting. Undergravel heating is of very limited value. Not worth the trouble, IMO. If I go with three bulbs I would have 60W or 1.62 wpg. Is that too much for a non CO2 tank? No. That would be a very low light tank, especially given the almost 2' depth. With four bulbs, I'd be at 2.16 wpg, which I'm thinking is definately too much for no CO2. I think that would be just right. Around two watts per gallon is good for a non-injected tank. As long as you stay under 3 wpg, you should be okay. (I have 2.25 wpg of PCF light over my low-tech tank.) Leigh http://www.fortunecity.com/lavender/halloween/881/ |
#5
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How many watts per gallon should I install?
a 37g tank is 24" high? if its 18" deep wouldn't that make it 20" wide?
According to All-Glass: http://www.all-glass.com/services/techinfo.html a 37 gallon tank is 30-1/4 x 12-1/2 x 22-3/4 (LxWxH). Leigh http://www.fortunecity.com/lavender/halloween/881/ |
#6
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How many watts per gallon should I install?
"Rex Grigg" wrote in message
... On Fri, 11 Apr 2003 12:49:22 -0400, "Harry Muscle" wrote: I'm trying to determine how much lighting to install over my upcoming tank. It's a 37G tank (50G of water volume because it's hooked up to a sump). I'm hoping to plant it heavily with plants in the "easy to grow" category (ie: vals, java fern, etc.). My substrate will be flourite and I'm gonna install undergravel heating cables. I'm hoping to stay away from CO2, but I'll probably use Flourish Excel on a basis for the carbon and Flourish for other nutrients. The only thing I still have to figure out is how much wat of flourescent lighting to install. I'm gonna use 2 foot bulbs which would be 20Watts each. How many should I go with? Do I use the size of the tank (37G) or the total water volume (tank+sump=50G) to figure out the light ratio? I'm guessing just the tank size, so 37G. If I go with 2 bulbs I would have 40W, which would give me 1.08 wpg. I'm guessing that's too limiting? If I go with three bulbs I would have 60W or 1.62 wpg. Is that too much for a non CO2 tank? With four bulbs, I'd be at 2.16 wpg, which I'm thinking is definately too much for no CO2. However, I might very easily be wrong on my assumptions on how much light should go into a tank like mine, so if anyone could give me some feedback on what options to go with that would be great. Thanks, Harry Well I would use the money you are spending on the substrate heater and get a CO2 system, or go with compact florescent lights. I would go with no less than 2 wpg as that's a good number, and what I consider the bare minimum for good plant growth. You just use the size of the tank. Unless you want to put lights on the sump also. Why do you want to stay away from CO2? My CO2 system was the second best thing I did for my tank. First was the upgrade to AH Supply kits. Semper Fi! Visit the forums at Aqua Botanic! http://aquabotanicwetthumb.infopop.cc/#1 Need Nitrate or Potassium for your tank? Go to www.litemanu.com (Just a happy customer of the above!) If I could, I would definately add the CO2, but it's not completely my decision. I'm not too thrilled about DIY Co2, and I think I would probably just rather spend the money on Flourish Excel. Thanks for the input, looks like I'll be going witht he four bulbs at 2.16 wpg. Harry -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 80,000 Newsgroups - 16 Different Servers! =----- |
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