Use UVB to increase Terpenes and improve harvest quality | Test results with Dutch Passion



Dutch Passion, one of the worlds oldest seedbank companies, has tested the MIGRO UVB to determine the effect on terpene …

35 Comments

  1. This theory is a fact. Our growth lamp products are added with UVA and UVB. Independent UVA supplemental light. Although we haven't tested them professionally, our customers find them very good.

  2. Excellent work Shane, thanks! It’s true you are as important of a voice as any other on this platform, maybe more important than most that offer information for growers 👍🏻

  3. I’m just getting ready to flip my garden into flour so I can eventually start introducing your guises lights to see the benefits myself I am so excited thank you very much for that opportunity

  4. Instead of buying new lights, simply lower your calcium (and nitrogen) and raise B. The led spectrum doesn't activate sinipate to pull B well, while mass flow of calcium remains high under led.

    Now your plant will be healthy without wasting money on new lights, unlike this guys plants. Simply run bloom nutes for veg nutes. That's it. The internet is being fleeced by another weed bro clown.

  5. Good afternoon I would like to know how to run your UVB lights. So after 3 weeks in to the bloom cycle do we stop using the regular cycle led or which ever lights your running in your 12/12 cycle then put on the UVB lights in a 12/12 cycle??.. just asking I’m new to growing only my 2nd run thank you I appreciate your information and videos

  6. What medium were the plants grown in? Organic or processed nutrients? Dry feed or liquid feed? How old was the parent of the clones at the start of the test? More data please.

  7. Good to see you keeping up with the biological science Shawn as many of us don't have the resources to go with lab results.
    I tried my own study with 100 microwatts of halogen UVB lights (which you would know is very intense) but cycled it a day per week at 1min-on/10min-off.
    The dosing is where plants can be damaged and indeed my leaves appeared crispy and drained of oils after one day of treatment and required a week to recover. The potential for eye and skin damage is high at 100uW so that wearing uv glasses and isolation were necessary.
    I enjoy bro-science in which my engineering agricultural background helps as the resources to do real science are expensive.
    Great post.

  8. If you want to see some really cool growth patterns (for fun) then use some uvc light for a few minutes a day in your grow tent. I’ve seen leafs growing on leafs growing on leafs. A lot more mutations too. Resin production was increased.

  9. Awesome info drop mr Shane I've been preaching the virtues of adding a uvb fixture, a good friend is looking at getting your model very soon, and huge thanks for always dropping the science based facts

  10. My autos are 100 days in they’re damn near ready another 2 weeks tops… is it to late to UVB and if not for how long per day? Yes I have an uvb lamp. Tx

  11. I think it is important to get 19% more terpenes because when you press bubble hash and than decarb rosin some of terps die but some of them might survive

  12. Recommended use last 3 weeks of flowering , and the distance is 2ft or 60cm. I grow in tent and there is not enough space to keep the light at 2ft distance before harvest because plant become too tall

  13. Love it love it love it,,, thanks a lot Shane!! as always clearing the path for us to get those sweet flowers 🤙yeah man,, Currently growing Skunk #11 from Dutch Passion, totally recommend it is the biggest and fastest growing Skunk I’ve ever grown👍

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