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wet dry on planted tank??

This is a discussion on wet dry on planted tank?? within the Beginner Planted Aquarium forums, part of the Beginner Freshwater Aquarium category; --> There are very few plants that really "require" CO2 for growth but if oyu plan to get the higher light plants and get higher ...

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wet dry on planted tank??
Old 08-19-2007, 10:52 PM   #11
 
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There are very few plants that really "require" CO2 for growth but if oyu plan to get the higher light plants and get higher light you will want CO2. Once oyu get above the medium/moderate light levels, algae will eventually thrive without enough CO2 because the plants will use the CO2 quickly and not have enough to grow fast enough to out compete the algae for nutrients. Excel can stave off the algae but will not cure the problem.

Plants that do muc better with CO2:
Cabomba, HC hemianthus Callitricoides, any and all ground cover including clovers, and others.

Basically if you want fast growth and want some of the more ornamental, difficult plants CO2 is a must to prevent algae problems if you don't invest in a LOT of Excel.
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Old 08-19-2007, 11:04 PM   #12
 
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what about using a uv sterilizer to keep the algae at bay ...high light and no c02??? i'm guessing this doesn't work or everyone would be doing it. just curious why it doesn't work.
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Old 08-20-2007, 03:35 AM   #13
 
Pork:

I have a wet/dry.

Also very much contrary to the literature I have air diffusers which I "crank up the air to some at night" when I perceive that my plants may be exhibiting stress.

The above and dosing with liquid fertilizer has proved to be beneficial for me albeit most of my plants are "easy to grow" plants.

TR
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Old 08-20-2007, 11:08 AM   #14
 
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A UV filter will clear up an algae bloom but it can't control algae that growso on your glass/substrate/wood/etc. But a UV filter is great for keeping the water really clean, killing parasites, etc. I have mine on all the time.
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Old 08-20-2007, 03:22 PM   #15
 
Folks:

I guess that I need a "quick graduate course".

First
I have posted my experience with the survival of biological filtration bacteria at
http://www.fishforum.com/viewtopic.php?p=76186#76186

Second
My very rudimentary "thinking" concerning increased oxygenation at nighttime (and as previously stated is contrary to most of the literature) is
1) during lighted periods aquatic plants are CO2 consumers and O2 producers and
2) during non lighted periods aquatic plants are O2 consumers.
Hence my increased aeration during non lighted periods in order to maintain O2 levels which my fishies will enjoy.

Everyone please provide input to the above two items in order to "help me with my thinking".

TR
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Old 08-20-2007, 03:34 PM   #16
 
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From what I've read, jones, that is all correct. Not sure why you say it is contrary to literature.
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Old 08-20-2007, 10:48 PM   #17
 
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I don't know much about wet/dy filters. I have one (an eheim 2229) for a 110 I'll be setting up, and I plan to run it constantly, along with a second filter (and eheim 2217 or comparable)

To your second point, you have that exactly right. Plants consume oxygen at night, CO2 in the day.
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