Lights or CO2 - The Planted Tank Forum
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post #1 of 5 (permalink) Old 09-14-2003, 08:57 PM Thread Starter
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I'm quite new too the plant thing. I have had tanks for about 5 year. I am amazed at the tanks on this forum. I was wondering if you could tell me what is more important Lighting or CO2.
I have a trigon 190 with Amason swords and Valis. The lighting is pretty poor and i only have 2 18 watt interpet tritons with reflectors. I don't realy want to go down the road, and expense of Metal Halide lamps at the moment. Would a basic CO2 kit help with plant growth or am i wasting my time? Your help is much appreciated.
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post #2 of 5 (permalink) Old 09-14-2003, 09:30 PM
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I'm not sure what a trigon 190 is, am I correct in assuming it's a 190 lter tank? If thats the case that would translate to about 45 gals. 36 watts of light on a 45 gallon tank is barely enough light to view the fish on a dark night :lol: You have no chance of growing any plants with so little light.

In your case I would say light should be your primary concern at this time. Right now you only have 0.8 watts per gallon of light. As a bare minimum its been my experience and that of most others that 2 WPG (watts per gallon) would be a minimum for growing plants with the exception of a very few. Most people shoot for about 3 WPG.

CO2 is equally important to grow healthy plants. Light and CO2 work hand in hand to grow healthy plants. There is a minimum of light required but as light increases so does the need for CO2.



75 gal heavily planted,50/50 Black beauty,Eco-complete substrate, Pressurised CO2 with solenoid, ph controller, AB Reactor 1000, 330 watts 9325K GE PC lighting,Ehiem Liquidoser, 2-Filstar xp3 canisters.
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post #3 of 5 (permalink) Old 09-14-2003, 09:43 PM
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I'd definitely agree, regardless of what 190 stands for (liters or gallons), you need to shoot for 2wpg and then take care of CO2 supplementation later.

- Sam P -
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post #4 of 5 (permalink) Old 09-14-2003, 11:45 PM
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lights ist definitely then the co2 you are @ the lowest level most of the plants can survive.

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post #5 of 5 (permalink) Old 09-15-2003, 10:48 AM Thread Starter
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Sorry guys its a 190 lt corner tank. I though as much about the lighting. Thanks for your help.
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