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Offlinekydelic
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Piss
    #11175796 - 10/03/09 05:40 PM (8 years, 18 days ago)

So I've been reading about uses of piss as fertilizer, which seems pretty interesting. Piss is mostly water, urea (which is an excellent source of nitrogen), and a collection of other organic compounds in trace amounts. My question here is...what do you think of using piss as an extremely easy nitrogen additive for substrates such as coir that are lacking in the department? I wouldn't necessarily recommend this, but I'm asking out of curiosity. It seems it would work well enough, however I would worry about some people taking certain medications (for instance, apparently birth control pills can alter urine composition) that come out in urine and are either absorbed by the fungus or are harmful to mycelium.


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Offlinenastos
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Re: Piss [Re: kydelic]
    #11175817 - 10/03/09 05:42 PM (8 years, 18 days ago)

isnt there also amonia in urine? i dont think that would be benificial for mycelium


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Offlinesmaerd
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Re: Piss [Re: nastos]
    #11175821 - 10/03/09 05:43 PM (8 years, 18 days ago)

I think it would mess up the PH, but I wouldn't know for sure.


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OfflineBrandNewbie
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Re: Piss [Re: kydelic]
    #11175828 - 10/03/09 05:44 PM (8 years, 18 days ago)

Mycelium is not a plant. I don't think it likes to be pissed on. Ammonia kills fungi. At least you're thinking about shit though! :goodluck:


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OfflineStaleShrooms
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Re: Piss [Re: smaerd]
    #11175847 - 10/03/09 05:47 PM (8 years, 18 days ago)

urine does have nitrogen, but in huge amounts.  if you were gunna do it you'd probly need to dilute the piss, and work out empirically how much to dilute it.  seems like it'd be easier to just buy some sort of nitrogen supplement


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OfflineBrandNewbie
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Re: Piss [Re: StaleShrooms]
    #11175910 - 10/03/09 05:59 PM (8 years, 18 days ago)

Quote:

StaleShrooms said:
urine does have nitrogen, but in huge amounts.  if you were gunna do it you'd probly need to dilute the piss, and work out empirically how much to dilute it.  seems like it'd be easier to just buy some sort of nitrogen supplement



Like used coffee grinds... :thumbup:


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Offlinefundamentalchair
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Re: Piss [Re: BrandNewbie]
    #11175948 - 10/03/09 06:03 PM (8 years, 18 days ago)

urine also contains salt, which mycelium isn't fond of.

Methinks that you should keep the golden showers in the bedroom and out of the grow room.

You can buy urea from a chemical supply house, if thats the ingredient you're looking for. Found it for $16/lb in like 10s of googling.


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OfflineBrandNewbie
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Re: Piss [Re: fundamentalchair]
    #11176022 - 10/03/09 06:14 PM (8 years, 18 days ago)

Hey fun, is that the chair-and-a-half model in your avatar? God I want that one! :headbang3:

EDIT: So we stay on topic, good point about the huge amount of salts contained in urine. Although it IS sterile when it first comes out...


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Question: Why do women wear make-up and perfume? 
Answer: Because they're ugly and they stink.


Edited by BrandNewbie (10/03/09 06:17 PM)


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Offlinefundamentalchair
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Re: Piss [Re: BrandNewbie]
    #11176159 - 10/03/09 06:47 PM (8 years, 18 days ago)

Quote:

Hey fun, is that the chair-and-a-half model in your avatar? God I want that one! :headbang3:




Beats the fuck outta me, something I lifted off of images.google.com. Buy me one while you're at it.

Quote:

Although it IS sterile when it first comes out...




Relatively speaking, compared to other bodily wastes, which is why it is safe for drinking from the fountain. My guess would have to do with the large salt content that keeps it sterile.

On another note, why in the hell would you want to PC a sub with piss in it? Wouldn't that make your domicile stink like hell?

trying urea isn't a bad idea (although I wouldn't call it a good idea either). Not sure if it'll stink up the joint though. Careful with that shit too, I know pure urea will take off a fingernail from a 6-24 hour soak. Who knows what it will do to polyfil/tyvek/eyes/shrooms.


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semper necessitas probandi incumbit ei qui agit


Sclerotia FAQ... If ya ain't got any stones, grow some.

Will work for Laetiporus sulphureus culture/spores (or any other Laetiporus actually), :pm: me.

My Trade list.

Ghetto Tek: Auto FAE & Light


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Offlinekydelic
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Re: Piss [Re: BrandNewbie]
    #11182500 - 10/04/09 09:04 PM (8 years, 17 days ago)

Quote:

I think it would mess up the PH, but I wouldn't know for sure.




It is generally neutral or close (I think between 6.5 and 7), however I can't say I know for sure what optimal pH is for substrate.

Quote:

isnt there also amonia in urine? i dont think that would be benificial for mycelium




Quote:

Ammonia kills fungi.




Hm, I haven't heard this before, and I wonder if the property is for certain species, genera, or families. As for ammonia in urine, urea can be broken down to form ammonia, however urea itself has two NH2 groups bonded to a CO group, while ammonia is NH3, but I don't claim to be a chemist or biochemist.

I would definitely like more info on ammonia killing fungi, since urine is sterile and ammonia is used for a lot of fertilizers, and I've seen some people around here making bulk substrates with certain (Black Kow is one that comes to mind) fertilizer.

Thanks for the info, this is pretty interesting at the very least as a mental exercise :lol:

Quote:

On another note, why in the hell would you want to PC a sub with piss in it




If it's sterile it doesn't need to be PC'ed...but yeah I'd never use piss for subs.


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OfflineSillyBilly
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Re: Piss [Re: kydelic]
    #11182539 - 10/04/09 09:09 PM (8 years, 17 days ago)

i piss all over my mushrooms with great success
i piss all over my house too, walls, carpet, ceiling you name it:thumbup:


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Offlinefundamentalchair
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Re: Piss [Re: SillyBilly]
    #11182572 - 10/04/09 09:13 PM (8 years, 17 days ago)

Quote:

If it's sterile it doesn't need to be PC'ed...but yeah I'd never use piss for subs.




I know it needs to be sterile, but I sure as hell don't want my house smelling like a port-a-john either...


--------------------
semper necessitas probandi incumbit ei qui agit


Sclerotia FAQ... If ya ain't got any stones, grow some.

Will work for Laetiporus sulphureus culture/spores (or any other Laetiporus actually), :pm: me.

My Trade list.

Ghetto Tek: Auto FAE & Light


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Offlinecloudsaregathering
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Re: Piss [Re: fundamentalchair]
    #11183025 - 10/04/09 10:01 PM (8 years, 17 days ago)

i like pee...


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