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  1. ComputerSaysNo

    CALMAG IS NOT A THING

    sulphate Don't tell Herb&Suds.
  2. ComputerSaysNo

    CALMAG IS NOT A THING

    bk78 does.
  3. ComputerSaysNo

    CALMAG IS NOT A THING

    No. Me neither.
  4. ComputerSaysNo

    CALMAG IS NOT A THING

    Yes they are. "Salt" is a chemistry term, and it applies to magnesium sulphate (epsom salt). Fact. Citing Wikipedia again: Magnesium sulfate or magnesium sulphate (in English-speaking countries other than the US) is a chemical compound, a salt with the formula MgSO4, consisting of magnesium...
  5. ComputerSaysNo

    CALMAG IS NOT A THING

    At least I share the opinion of actual chemists around the world. And of Wikipedia. In this case I'm quite happy to walk with the masses.
  6. ComputerSaysNo

    CALMAG IS NOT A THING

    Who told you that? You really seem to be quite convinced. Are you a chemist? Meanwhile, I couldn't resist going to the Advanced Nutrients website and reading about their CalMag product (it's called Sensi Cal Mag Xtra®). Uncovering the following: Most Cal-Mag Additives Are Designed for…...
  7. ComputerSaysNo

    CALMAG IS NOT A THING

    Of course not. Epson is a printer brand. It's called "epsom salt" (an actual salt, by the way).
  8. ComputerSaysNo

    Buffering coco

    That it comes in bricks does not mean it is not pre-buffered. I have some premium coco bricks here that are washed and pre-buffered, and at the same high quality as the bagged variants. There is only so much you can do to coco to make it hydroponics grade, and pressing it into bricks does not...
  9. ComputerSaysNo

    Buffering coco

    If it's already buffered, you have to do nothing. If not, it's good enough to soak it in the nutrient solution that you will be using later on. I suggest you just use it straight away, as it has already been pointed out that your brand of coco is pre-buffered (pretty much all quality brands...
  10. ComputerSaysNo

    Botrytis Test - Proving that you can make money off bud rot!

    Advanced Nutrients needs to license this. It's over $10 per application. They would find an amazing name and a really cool picture, and everybody would "swear by it" within a year.
  11. ComputerSaysNo

    CALMAG IS NOT A THING

    Another thread could be made about "PK-boosters".
  12. ComputerSaysNo

    Cut off Roots?

    The "root control disk" should have a thin copper layer on it. It usually comes included with the Autopot, but you can also buy it separately from all places that stock the Autopot itself. The "IWS" system also has these. It goes in the bottom of the tray and should completely avoid any root...
  13. ComputerSaysNo

    Measuring EC / PPM in a flood and drain system

    I don't quite understand what the problem is (especially since the plants are growing fine, as you say). The plants will never use the nutrients at exactly the same rate as the water evaporates. So your EC (= nutrient concentration) has to change over time. If the water is used up more quickly...
  14. ComputerSaysNo

    Watering hundreds of solo cups

    Can somebody explain this sentence to me? I can not quite parse it but it does sound interesting. I've never heard of this saying or anything close. (Serious question btw.)
  15. ComputerSaysNo

    Watering hundreds of solo cups

    The capillary mat in that video appears to be avoiding some of these problems, in that it has the capillary material on the inside, which is covered by something water-tight with a lot of tiny holes in it. That should keep the mat more or less dry except where pots are actually sitting. It...
  16. ComputerSaysNo

    Biggest yielding Auto ??

    https://www.growweedeasy.com/best-autoflowering-cannabis-strains-for-yields-potency
  17. ComputerSaysNo

    Exhale CO2 bags

    The tinkering is fine, who doesn't love that? I'd rather tinker with things that either (a) make my life easier, e.g. automatic watering so I don't have to do that myself and/or (b) definitely and significantly improve results and/or (c) save me money. CO2 is probably one of the last things...
  18. ComputerSaysNo

    Exhale CO2 bags

    You need very intense light for CO2 addition to make a difference. Also, as others have stated, if your grow is in a space where people live, you will have naturally (significantly) elevated CO2 levels already. There is this one YouTuber who shows his automatic CO2 setup and then mentions that...
  19. ComputerSaysNo

    Does freewill exist?

    Absolutely! You can't have it either way. It either exists, or not, but that does not depend on what we would prefer. In the same vein, it would be nice if there was a benevolent God-Mother who will ultimately step in and save humanity -- that does not mean that it is the case. It would be nice...
  20. ComputerSaysNo

    Does freewill exist?

    This is a good point. Knowing and understanding that we do not have free will could enable a couple of things: We could be more forgiving to others and ourselves. We could understand that a retributive penal system makes no sense. We could understand that since we are not in control, it...
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