CO2 in the wild - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 07-05-2007, 07:28 PM Thread Starter
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CO2 in the wild

Everytime I watch a nature show about a lake/river, I never see aquatic plants like our tanks. Occasionally I see the plants we keep in a marsh/swamp, but mostly floaters like water lettuce and water hyacinth.

Unless I see pics from information about invasive species, I do not see lush areas of alternanthera or hygrophila anywhere else.

I have read that Co2 is higher in some bodies of water because of groundwater, but other than that, most water bodies are relatively devoid of plant life.

Frogs!
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post #2 of 3 (permalink) Old 07-05-2007, 07:46 PM
Are these real?
 
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You are right in that it would be difficult to find a groomed lush underwater garden in most natural aquatic systems. It's funny how some try to do a "biotope tank" with plants from a particular continent, in a way that you would never find them in nature.

On the other hand, if you look at the right places...
https://www.plantedtank.net/forums/ge...-pantanal.html


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post #3 of 3 (permalink) Old 07-05-2007, 08:02 PM Thread Starter
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now THAT....is cool. If I had more space in my hood, i can see why some may add actinics to their tanks.

What I find very interesting is the KH and hardness values. They are MUCH higher than many of our tanks. Even from hard water around my area with a pH of 9 or more, i only have about a 4-5 KH rating (the last time I checked the tank, it could be more now). Another curious thing, is that the pH is much higher than what I see for a planted tank. Many are below 7.

Is it possible plants are using mostly biogenic decalcifiation? There would be a constant supply from minerals flowing in the stream.

But CO2 is definitely higher than Fish only tanks with 2-3 ppm of CO2.

Frogs!
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