5 Hacks to Increase THC When Growing Weed
November 18, 2018
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5 Hacks to Increase THC When Growing Weed

A few easy tricks
Nicole Richter Nicole Richter / Updated on November 18, 2018

how to increase thc levels

There are lots of different reasons why people want to increase the level of THC in their buds. Some do it for medical reasons, while others do it simply for the high.

Some of the main reasons include:

  • To achieve greater mental and psychoactive effects.
  • For extra relief from nausea, certain types of pain, spasticity, certain symptoms of multiple sclerosis, etc.
  • To increase your overall cannabis yields.

Before we get started it is important to understand that most of the THC and “potency” in your buds is contained in the sparkly trichomes.

Ok, so let’s cut to the chase and learn 5 ways that will increase THC levels in your weed:

Hack 1 – Strain & Individual Plant Genetics

how to increase terpenes

This is by far the most important aspect when growing. If your strain isn’t quality and hasn’t got the potential of providing high THC levels, you can try as many different techniques as you want – but they probably won’t work. When choosing a strain, it is important to choose one with high-potency, high-THC genes. Unfortunately, some strains simply don’t have what it takes to provide high THC and Potency.

Related: Cannabis Facts | The Difference Between THC and CBD

Hack 2 – Harvesting

How to Determine the Quality of Weed

We are not going dwell on this, but if you harvest too early, you are limiting the potential of your strain. Harvest too late, and you might miss out on all your hard work. There is a 2-3 week period during the flowering stage when plants are “mature” and buds are at their highest levels of THC. At this point, the tiny resin glands (trichomes) on the buds will have turned milky white, and most of the white hairs (pistils) on the buds will have darkened and curled in.

Hack 3 – Your Plants Health

To maximize the THC of your plant, you need to make sure that you are taking care of it. Avoid common mistakes like overwatering, underwatering, heat stress, root problems, irregular light cycles and nutrient problems. Treat your cannabis like it’s your true Mary Jane.

Lighting

How to Determine the Quality of Weed

While cannabis will grow relatively easily in most low light conditions, it is still important to provide the exact amount of light during the flowering stage. In order to produce the highest levels of THC you will need bright grow lights (like LEDs or MH/HPS grow lights).

Related: Growing Cannabis: 10 Things Not to Forget

Hack 4 – Curing Process

how to increase terpene production

Although there is no evidence that the curing process (jarring up buds after they’ve dried) increases THC levels directly, there is a lot of evidence that it increases the perceived potency of buds.

Though not well understood, this may be because there are chemical changes that happen during the curing phase that “intensify” the effects of THC and other cannabinoids.

Increasing THC Final Thoughts

There are quite a few different ways that you can increase the THC and Potency; we’ve even heard people use unconventional techniques such as adding supplements or allowing the plant to remain in the Vegetative Stage for 8+ weeks.

If you’ve got any other cool tricks and tips that you can share with the community, be sure to leave them in the comments below or post them on our Facebook post.

Related: How to Properly Store Bud To Never Lose Potency!

10 comments
  1. Marjorie Hill
    Curing Stage

    I would recommend controlling the temperature and humidity after harvesting, as most of the decarboxylation happens at that stage. That can make or mar the difference between good and bad weed in terms of THC potency. If you wish to preserve terpenes, make sure you dry at temperatures between 60 and 70 degrees Fahrenheit with a humidity level between 45% and 55%.

  2. Thomas Chong
    Not applicable.

    I read a article years ago on how they found THC levels are at there highest at the end of the dark cycle during flowering. It said based on this finding that some growers leave the plants in the dark for a day or two before harvesting. Now reality is it will probable be a fractional increase. Let the smokers decide.

  3. Lincoln Pierre
    Choose an appropriate strain

    I feel this is just a myth. Not five, even if you try a 100 hacks, you wont be able to increase the THC by 2 % to 3% at the maximum. How can we alter the basic chemistry of something? So choose a strain that matches the THC level genetically for growing and that would be a much logical option.

  4. Adam
    umm

    that wasn’t even 5 things.

  5. Ozz
    Sad reading

    Waste of reading they missed a lot of points like splitting stress ect maybe they need a better writer that grows

  6. Haze

    You need uv-b light use mh lighting last two weeks hps has none or if you can use hps and mh led lighting will stress the plant to make more tricombs

  7. Mary fagan
    Need help

    I need help

  8. Gene

    What is your take on the seedo machines that grow dry and cure you plant😈

  9. Angela White

    Any weed enthusiast knows that THC offers some incredible health benefits. These tips have been very informative and I will definitely be putting them to the test. For me, substantial THC content is vital.

  10. Jim

    I grow Kona Gold sativa in MA, start it inside under 6000K lamps for a month or so then move it to 5000K lamps for a month to encourage foliage before I put it outside (May 19 is normal last frost date here). First fall frost is mid-Oct. I started early Mar this year but didn’t get to full terpene formation. Will start early Feb this year to get in another four weeks of sun – and hopefully terpenes. The end result was still pretty good, though. Better next year I hope.

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