here is some proof of urine fertilized MJ. I know fertilizer can be bought, but why if I can produce it myself for free?
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These plants are 7weeks old, that's 7 weeks from germinated seeds to now. Yes I use LEDs so that's why pics are pink. I use dilution of 1 part urine to 5 parts water. I also provide phosphorus by employing duck poop tea. Horribly stinky stuff until soil absorbs, but very potent.
WOW! Those are small for 7 weeks. I guess piss doesn't really work too good for MJ. Who knows, this experiment wasn't conducted in a very scientific manner. I suppose it could be a number of problems...likely starting with the grower.
Alaska fish emulsion is not very expensive, it works very good and doesn't smell like human piss. It doesn't smell good, but it works very good and goes a long way. PLUS, and this is a huge plus for any cannabis grower, it is always the same, unlike urine which changes all the time. With an ever changing nutrient solution you never set any standards by which to reference your progress vs. process. You won't know the internal balance of the nutrients and medium. I have moved on from the Alaska stuff, but I still use it on outdoor plants that may occasionally need some nitrogen. Humboldt Nutrients makes a great grow fertilizer as do many other fine companies. I wasn't too pleased with A.O. but it wasn't too expensive.
Besides, any real grower would have too many plants and too high a consumption rate for water to use their own urine. Large plants can transpire a gallon or more in a day indoors under perfect conditions and outdoor plants can use much more than that depending on size of plant, heat, humidity, etc.
For my outdoor garden(corn, tomatoes, pumpkins, etc) nothing beats good ole fashion manure, and lots of it. You can usually get that free on Craigslist or from your local farmers/ranchers. Don't know if you can score free horse/steer manure in every big city, but you can here. Because animals such as horses and cows have diets that virtually never fluctuate, their feces it more standardized than our own. You could probably dial in your diet to produce great fertilizers, but with the chemicals, drugs, bizarre foods etc I take in, I would not imagine I could pee the same two times in a month.