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  1. DaveInCave

    LP's HAPPILY SPRAY YOUR MJ WITH 17 DIFFERENT PESTICIDES!!!!

    I support anything that will allow poor farmers from 3rd world countries to feed their people better. As long as enough studies provide evidence the new strains pose no danger to human, animals, and the ecosystem they are in.
  2. DaveInCave

    LP's HAPPILY SPRAY YOUR MJ WITH 17 DIFFERENT PESTICIDES!!!!

    CRISPR is just around the corner for anything. I got to work with the system to generate several GMO species (not Cannabis), quite an amazing leap compared to the traditional agrobacterium transformation (which was in itself a marvel). It's definitely going to be a new renaissance in biotech...
  3. DaveInCave

    Does a reservoir for soil need to be chilled?

    How long will you be going? In the past I used a much simpler solution - a bucket with a small hole in the bottom hung above the plants. I started with a tiny hole and added more holes until the drip was about 0.5 gallons per 24h. With 3 gallon bucket I was set for a whole week away from home...
  4. DaveInCave

    Small fertilizer business idea need feedback

    It's indeed very stupid and very profitable, but as you said yourself, new growers are often confused and stressed, they want it to be easy. Expecting them to measure and dilute their own nutrients can be too much to ask.
  5. DaveInCave

    Small fertilizer business idea need feedback

    It's a great idea. In fact it's such a good idea that dozens of companies are already doing it and making a fortune from selling water to people. Inside a typical 1 gal bottle of liquid nutrients that costs $10-$20 is probably about a 10 cents worth of nutrients. The profit margins are huge...
  6. DaveInCave

    What do you think about this fertilizer?

    For better or worse, I live at the moment in one of the most environmentally strict countries in the world, I can be quite sure nothing sold here has any of that shit in it. I knew someone who built a house and thought they are saving $4000 buying Chinese drywalls, guess again... Had to redo the...
  7. DaveInCave

    Recommendation LED or COB?

    For sure everything is possible to make, gradual lighting/dimming, different spectra at different times of day, it's all either been done, or very easy to do. The real question is what do you suppose will be the added benefit for such features, and will they justify the cost? I am not sure if...
  8. DaveInCave

    What do you think about this fertilizer?

    Thanks for the info! I was only asking about the drywall because I already have a lot of left over pieces. How much gypsum per soil should I add?
  9. DaveInCave

    Do I have too much light? 1400 watts of led in 4x2

    It's probably not 1000w and not 400w
  10. DaveInCave

    Increasing the THC and CBD levels with Mn and Ir - REALLY?

    By the way, as a former researcher I still have free access to many academic papers, if anyone needs a copy of a paper and can't pay their extortionate prices send me a PM with a DOI and I'll get it for you. Like most researchers in the world I have a burning hate to traditional science...
  11. DaveInCave

    We're breeding out the ambering of trich's in many new strains ?

    If the break down of THC is what creating the amber color, and if this break down is a result of enzymatic/metabolic activity, It's entirely possible that through selective breeding we end with strains that express lower level of these enzymes. However, I don't know Cannabis metabolic pathways...
  12. DaveInCave

    Is this a Vero 29 killer?

    Someone ban this guy...
  13. DaveInCave

    What do you think about this fertilizer?

    If I happen to have a bunch of left over drywall pieces from a renovation, would pulverizing them and adding them to my soil do anything to offset the lack of calcium? If so, how much would you add?
  14. DaveInCave

    Plant stretching

    Yeah, well, that light is not 1000w nor full spectrum. It doesn't mean you won't be able to get a decent grow out of it.
  15. DaveInCave

    Recommendation LED or COB?

    I saw this website: http://cobkits.co.uk/ couple of weeks ago, and it said they are planning to open soon. Now it seemed they have. So, they are not related to your company?
  16. DaveInCave

    225w LED Full spectrum

    Yep, google translate English...
  17. DaveInCave

    Plant stretching

    Can you attach a picture of your light? 1000W full spectrum led sounds very unreasonable thing to have
  18. DaveInCave

    Recommendation LED or COB?

    @CobKits I saw you're planning to expand to the UK, is that coming up soon?
  19. DaveInCave

    Why are all the heatsinks round?

    Great points :) this is super interesting and probably lots of room for research and innovation.
  20. DaveInCave

    Why are all the heatsinks round?

    But as you make the circle bigger, the edges will end up being just as farther away from the cob as the corners, won't they?
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