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Pee In Your Aquarium?


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#1 InaneCathode

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Posted 01 December 2006 - 09:56 AM

Try to follow me here:

I'm assuming (big leap here) that animals all make, essentially, the same kind of pee. Fish pee is ammonia (among other things). Human pee is ammonia (among other things).

If fish pee is comprised partly of urea (two ammonia molecules stuck together) and is usable by the nitrifying bacteria in an aquarium, than human pee (which is comprised partly of urea which is usable by the nitriyfing bacteria in an aquarium) should be roughly equivalent.

Would it then (barring the disgustingness of peeing in your aquarium [via cup or not, still, ew.]) be safe to say that human pee would bring about the same biological processes that occur in a fully matured tank the same as fish pee would?

If that's then true, then i'd suggest any open minded individual who's lacking in sources for ammonia for fishless cycling to:
Pee in your aquarium.


PS Has this ever been tried? I think this might warrant further research!

Edited by InaneCathode, 01 December 2006 - 09:57 AM.


#2 andywg

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Posted 01 December 2006 - 09:58 AM

This has been done many times and with much success, even in marine aquaria. You are correct that humine urine does contain ammonia and this is available for the bacteria colony we try to culture.

As to how you would moniter the levels of ammonia being put in, I am unsure.

#3 InaneCathode

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Posted 01 December 2006 - 10:02 AM

This has been done many times and with much success, even in marine aquaria. You are correct that humine urine does contain ammonia and this is available for the bacteria colony we try to culture.

As to how you would moniter the levels of ammonia being put in, I am unsure.



Seriously? Wow, i thought of this on my own too :nod:

To measure i'd imagine as with any ammonia source you'd measure the change in ppm in your tank after adding specific amounts of urine.

Another question (anyone answer if you want) wikipedia says urea is 10,000 times less toxic than ammonia. If it's so inert, why is fish pee so toxic to fish? Is there something in the water chemistry that breaks apart urea molecules?

#4 Squid

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Posted 01 December 2006 - 10:19 AM

Would you need to avoid going to the pub the night before you pee'd into your tank? hehehe

Squid

#5 andywg

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Posted 01 December 2006 - 10:27 AM

Another question (anyone answer if you want) wikipedia says urea is 10,000 times less toxic than ammonia. If it's so inert, why is fish pee so toxic to fish? Is there something in the water chemistry that breaks apart urea molecules?

I do not believe fish excrete urea in the same ways as we do, so much as urea is expelled as well as ammonia being lost by the chemical reactions occuring at the gills of a fish. A fish's waste is not just from urine. When I get home I can check a couple of books that have far more detail on this than I can recall right now.

#6 x-Lucy-Fish-x

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Posted 01 December 2006 - 05:28 PM

I'd try to watch what you eat and drink for a couple of days before.. dont want any E numbers and other weird things going in your tank..

..I might try it one day though..

#7 Underwurlde

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Posted 01 December 2006 - 07:00 PM

Ha! And keep off the weed too, as your fish may start hangin'

:drink: :rofl:

#8 timmystood

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Posted 01 December 2006 - 07:11 PM

I've often wandered if peeing in a tank would have this effect! I've never got enough guts to actually ask anyone though!

#9 vic

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Posted 01 December 2006 - 11:33 PM

I have heard of this method of fish less cycling however, I have always been very fearful of losing my footing on the ladder and doing a damage to the exposed parts.
:lol: :lol: :lol: :lol: :lol:

#10 DazedNCoNfUsEd

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Posted 02 December 2006 - 12:14 AM

LOL, Just hope you don't have roomates... that would be one hell of an explanation if they walked in on that!

#11 Bignose

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Posted 02 December 2006 - 02:34 AM

From The Skeptical Aquarist's pages ( http://www.skeptical.../fishless.shtml )

I raised some eyebrows when I revealed in a web forum that I hadn't been ransacking my neighborhood in a search for a pure non-sudsing ammonia with no added dyes and perfumes, when I could always produce at least a few drops of a completely natural, though more personal, source of ammonia. The truth is, long before the nitrating cycle was community knowledge, I have always begun new planted aquaria by adding a few tablespoons of my urine. Good grief! The uproar at AquariaCentral sent me back to the books. I soon found out that urine actually has a very small NH3 content. Urine has a specific gravity of about 1.017-1.020, owing to its dissolved solids, about 60% of which are organic substances. Besides ammonia, those organics include urea, uric acid, and creatine, which are all bacterially decomposed to form carbon dioxide--‚€” and more ammonia. The other 40% of the dissolved solids in urine are inorganic Na, Cl, (the "salt" content), K, PO4 and SO4. Frankly, it all sounds to me like stuff you'd be adding anyway. There are no bacteria in healthy urine. Nevertheless, people at the forum were more appalled than I could ever have expected. Some expressed their squeamishness in terms of "dangers." As far as I could tell, the greatest danger in this technique is of falling off the stepladder (heh heh heh). I was disappointed that no one asked how I had the control to fill just one tablespoon!


I actually doubt that "there is no bacteria in healthy urine" since bacteria have a way of showing up everywhere -- though I fully accept that I may be very wrong. What it does look like is that there is only a small amount of ammonia, definately a smaller proportion in compared with fish waste. How much does it add up to? I have no idea. Maybe someone would use their ammonia test kit? I'm sorry, but I am not volunteering for that.

Edited by Bignose, 02 December 2006 - 02:39 AM.


#12 carpus

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Posted 02 December 2006 - 06:05 AM

wouldent it make your water yellow :D :sick:

ive heard of people using urine to help grow plants.

#13 InaneCathode

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Posted 02 December 2006 - 10:31 AM

wouldent it make your water yellow :D :sick:

ive heard of people using urine to help grow plants.


Imagine how much ammonia from a bottle you'd add to your tank, that's roughly the same amount of urine you'd add. To make your tank yellow would be to add WAY too much urine.

Urine afaik contains tonnes of phosphates and nitrates, those being plant fertilizers.


Also, healthy urine is completely sterile.

#14 QuotheRaven

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Posted 02 December 2006 - 10:38 AM

Infact Urine is cleaner than your saliva it's true infact your saliva apparently contains some urine....I think... :\

#15 Majjie

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Posted 02 December 2006 - 12:34 PM

If you've got urine in your saliva - you've got problems! Uric acid on the other hand is quite likely at low levels or if you're suffering from dehydration or kidney failure or gout! Just nit picking I know.

Urine is only sterile when it's in your bladder - it picks up bacteria as it passes out of your body - from your skin. I think I'll stick to bottled ammonia, anyway :P

#16 BigC

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Posted 02 December 2006 - 01:21 PM

I have heard of in the past "pee" (as you call it) of pregnant women being used to induce certain types of fish species to spawn.

#17 lozronz

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Posted 02 December 2006 - 02:47 PM

A guy that regularily writes articles in PFK told me that he pees in his tanks to cycle them... Craig someone but I can't remember his surname. I considered it but didn't know the quantities and my girlfriend at the time told me if I did she would leave... On reflection I should have done it.

I think you would have to be careful about the pub though, I'm sure I read somewhere that if you drink alcohol of more than 17.5% it your body won't process it fully and your pee will start having a %proof! I wouldn't start recycling your tequila slammers though.

ACF's were the original pregnacy test and will spawn if subjected to pregnant womens pee.

Todays iffy wee facts!

#18 Underwurlde

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Posted 02 December 2006 - 07:12 PM

*groan*

And I thought the jokes in Viz were bad....

#19 nukeonekitty

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Posted 02 December 2006 - 07:48 PM

Maybe we can poop in the tanks too :sick: :lol: Just kidding. I did think of this idea too. I am sure it would work better than just normal ammonia (considering I have no chemistry background or science major whatsoever I would not take me as a creditable source).

#20 Ludwig Venter

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Posted 23 January 2009 - 06:15 PM

No Man!!!... this is ridiculous!!... fish urine in the water is the only reason why we need to do water changes and it (certainly) restricts their growth..... So, DO NOT TRY THIS AT HOME!!!

#21 Cris_L

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Posted 23 January 2009 - 06:33 PM

I know someone who cycles his garden pond my p**sing in it...dont think i fancy trying it on a fish tank though. the family might wonder whats the step ladder for....

#22 Ludwig Venter

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Posted 23 January 2009 - 06:42 PM

I know someone who cycles his garden pond my p**sing in it...dont think i fancy trying it on a fish tank though. the family might wonder whats the step ladder for....


He He!!... Step ladder???.... Nope!!... Can manage... (2meters up... no problem)

#23 dcarmor927

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Posted 23 January 2009 - 07:41 PM

haha this is hella funny...but what would happen if you crapped in the tank? same thing? lol

#24 OohFeeshy

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Posted 23 January 2009 - 08:14 PM

I think after two years the OP would have found the toilet...




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