Whats the downside of co2 overdose? - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 05-08-2011, 01:13 PM Thread Starter
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Arrow Whats the downside of co2 overdose?

According to my UP co2 Drop checker, i 've always hav excess co2. (yellow coloured).
Whats the downside effect(in term of plants/algae?) considering I hav no fish stock?
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post #2 of 8 (permalink) Old 05-08-2011, 01:35 PM
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None. Until you reach a level that no life at all can be sustained(I'm not sure it is possible in your tank).
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post #3 of 8 (permalink) Old 05-08-2011, 02:59 PM
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i will completely agree with os ur prob in the range of 40-50ppm you would have to prob get close to 900-1k for your max which i doubt you would really get close unless your really pumping it in an doing something for the offgassing. i will say that there can be a downside if your adding that much growth you must have your ferts in order or they will be depeleted rather fast an cause to suffer if they run out.
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post #4 of 8 (permalink) Old 05-08-2011, 03:05 PM
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once fish are acclimated to high co2 levels most species can sustain until a 1k ppm?
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post #5 of 8 (permalink) Old 05-08-2011, 04:14 PM
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Quote:
Originally Posted by wakewalking View Post
once fish are acclimated to high co2 levels most species can sustain until a 1k ppm?
No! The Original Poster indicated he had no fish stock.

What did the catfish say when he ran into a concrete wall?... "Dam!"
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post #6 of 8 (permalink) Old 05-08-2011, 09:40 PM
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I've seen GDA go nuts when I was grossly overdosing CO2, but that's the only downside I have ever seen (in a livestock free tank).
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post #7 of 8 (permalink) Old 05-09-2011, 12:47 AM Thread Starter
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Quote:
Originally Posted by Sharkfood View Post
I've seen GDA go nuts when I was grossly overdosing CO2, but that's the only downside I have ever seen (in a livestock free tank).
Yes, GDA (Green Dust Algae) is a big problem in my tank, but i thought that only attribute to high lighting, co2 is irreverent.
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post #8 of 8 (permalink) Old 05-09-2011, 12:54 AM
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How high is your co2? I have 30-60 ppm co2 but have lots of water flow and moderate surface movement. I really want to try a livestock free tank and float plastic wrap on the top of the water and see just how much co2 I can keep in there. I want to grow plants in water of atmospheric co2 concentration.
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