Do fish urinate? - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 25 Old 03-09-2013, 10:05 AM
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They do, very prolific pee-ers, up to a third of their body mass per day. It's not something that many like to think about when playing in the tank water.

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Total years fish keeping experience: 7 months, can't start counting in years for a while yet.

The shotgun approach to a planted tank with an LED fixture

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post #12 of 25 Old 03-09-2013, 10:23 AM Thread Starter
I said that to my fiancÚ and he laughed at me the other day and said I was playing in pee!
Still don't know of that I'd what I am seeing have had no confirmation or otherwise but who knows... God knows.when ever I have a chance i'm on the chair infront of the tank admiring its occupants but it is certainly something you would have to look closely at to see
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post #13 of 25 Old 03-09-2013, 10:29 AM
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Yah, just think, if you peed out a third of your body weight each day, it would most certainly look like water. I know when I was drinking a Canadian gallon of water a day, well.... you can figure out the rest.

This is one of the reasons that water stability and correctness for the fish is so important.

Jeff.


Total years fish keeping experience: 7 months, can't start counting in years for a while yet.

The shotgun approach to a planted tank with an LED fixture

Small scale nitrogen cycle with a jar, water and fish food; no substrate, filter etc
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post #14 of 25 Old 03-09-2013, 10:37 AM Thread Starter
Haha I don't know how much a Canadian gallon is, I didn't even know it was different from a standard gallon
Also most likely because we use the metric system.

It looks like thick water but the petrol thing my analogy is like the way you can see it you know how its almost shiney like an oil slick in the ocean but its clear. Looks thick though
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post #15 of 25 Old 03-09-2013, 10:50 AM
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the urine is very dilute with less solute conc than the surrounding water, so what you are seeing is likely due to light being refracted at the boundary of the different solutions, the effect of which diminishes as the two mix
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Last edited by Quantum; 03-09-2013 at 10:54 AM.
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post #16 of 25 Old 03-09-2013, 10:52 AM
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Just curious - where did you see that guppies urinate a third of their body mass?

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post #17 of 25 Old 03-09-2013, 10:54 AM
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Quote:
Originally Posted by chirpchirp View Post
Haha I don't know how much a Canadian gallon is, I didn't even know it was different from a standard gallon
Also most likely because we use the metric system.

It looks like thick water but the petrol thing my analogy is like the way you can see it you know how its almost shiney like an oil slick in the ocean but its clear. Looks thick though
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We use metric but the gallon is the imperial gallon which is larger than the US gallon.

1 imp gallon = 4.55 l
1 US gallon = 3.79 l

Jeff.


Total years fish keeping experience: 7 months, can't start counting in years for a while yet.

The shotgun approach to a planted tank with an LED fixture

Small scale nitrogen cycle with a jar, water and fish food; no substrate, filter etc
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post #18 of 25 Old 03-09-2013, 11:37 AM Thread Starter
I see, we don't use gallons here really. So I wonder when packages here say dosages would it be us or imperial? I would think imperial but perhaps not
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post #19 of 25 Old 03-09-2013, 12:01 PM
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The North American aquarium industry seems to use US gallons. I doubt it makes that much of a difference when using supplements or treatments as most seem to "allow" for three, four and five times overdosing levels anyway. I suspect that it is not an exact science.

Jeff.


Total years fish keeping experience: 7 months, can't start counting in years for a while yet.

The shotgun approach to a planted tank with an LED fixture

Small scale nitrogen cycle with a jar, water and fish food; no substrate, filter etc
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post #20 of 25 Old 03-09-2013, 12:15 PM
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Quote:
Originally Posted by Quantum View Post
the urine is very dilute with less solute conc than the surrounding water, so what you are seeing is likely due to light being refracted at the boundary of the different solutions, the effect of which diminishes as the two mix
you confuse me lol
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