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Slapz Feminized Seeds – Original Sensible Seeds | 30% THC Indica Hybrid · Sweet Candy & Diesel Flavor

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Slapz by Original Sensible Seeds is a premium feminized strain born from the cross of Grease Monkey and Runtz. Boasting a staggering 30% THC, this 70% Indica hybrid delivers a stimulating yet deeply relaxing effect. Expect massive yields of up to 650 g/m2 indoors, accompanied by a mouth-watering aroma of sweet fruity candy with a hint of diesel.
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Slapz feminized seeds by Original Sensible Seeds represent the absolute pinnacle of West Coast genetics, delivering a devastating 30% THC level and an unforgettable sweet candy flavor profile. This premium Indica-dominant hybrid guarantees explosive yields and a deeply relaxing, yet creatively stimulating experience for any grower.

Growing cannabis often means choosing between top-tier potency and manageable cultivation, leaving you frustrated with finicky strains that demand constant attention just to produce mediocre, airy buds.

There is nothing worse than investing months of your time, dialing in your nutrients and lighting, only to harvest flowers that lack that true knockout punch or bag appeal. Wasting space on weak genetics leads to disappointing yields, muted flavors, and a stash that barely gets you through the week.

Slapz completely changes the game by combining the legendary Grease Monkey and Runtz into a robust, high-yielding powerhouse. This strain streamlines your grow room routine, delivering rock-hard, resin-drenched buds with zero fuss, ensuring every harvest is a massive success.

Before growing with Slapz

Setting up your grow space for this Cali beast requires a bit of planning to handle its vigorous growth and heavy resin production. You need to ensure your environment is dialed in to support its dense canopy and pungent aromas before you even germinate.

  • Install a high-quality carbon filter to manage the intense diesel and candy odors.
  • Prepare a rich, well-aerated organic soil or coco coir mix for optimal root health.
  • Ensure your lighting can penetrate the dense Indica foliage to reach lower bud sites.
  • Plan for sturdy supports or a SCROG net to hold the heavy colas late in flower.

During cultivation

Once Slapz enters the vegetative stage, you will immediately notice its robust Indica structure, developing thick stems and broad leaves. It responds beautifully to training techniques, allowing you to maximize light exposure and airflow. During this phase, keeping your environment stable is key to setting up a massive flowering cycle.

As you flip to a 12/12 light cycle, the magic truly begins. The stretch is manageable, but the bud sites multiply rapidly. Within a few weeks, the flowers start swelling, coated in a thick, frosty layer of trichomes that hint at the 30% THC potential. The aroma intensifies, blending sweet fruity candy with sharp diesel notes, making your grow room smell like a high-end dispensary.

After: results and maintenance

After 60 to 65 days of flowering, you are rewarded with incredibly dense, sticky buds that often display beautiful dark purple hues. The post-harvest trimming is a breeze thanks to the high calyx-to-leaf ratio, saving you hours of scissor work.

Once dried and cured, the effects hit fast. Starting with a stimulating, creative rush, the high smoothly transitions into profound, couch-locking relaxation. Maintaining this stash simply requires airtight glass jars kept in a cool, dark place to preserve those precious Limonene terpenes.

Short- and long-term advantages and benefits

  • Because it boasts 30% THC, you experience an immediate, powerful high, which means you consume less to achieve your desired vibe.
  • Thanks to its Grease Monkey and Runtz lineage, you get a highly resilient plant, which means fewer headaches with pests or environmental stress.
  • Because it yields up to 650 g/m² (2.13 oz/ft²), you maximize your indoor space, which means a heavier stash for the months ahead.
  • Thanks to its dominant Limonene terpene profile, you enjoy a mouth-watering sweet candy and diesel flavor, which means every session is a gourmet experience.
  • Because of its fast 60-65 day flowering time, you turn over crops quicker, which means more harvests per year.
  • Thanks to its dense, rock-hard bud structure, you spend less time trimming, which means more time chilling and enjoying your premium harvest.

Technical specifications

  • Breeder: Original Sensible Seeds
  • Type: Feminized
  • Dominance: 70% Indica / 30% Sativa
  • Genetics: Grease Monkey × Runtz
  • Flowering time: 60–65 days
  • Indoor Yield: Up to 650 g/m² (2.13 oz/ft²)
  • Outdoor Yield: Up to 800 g/plant (28.22 oz/plant)
  • Indoor Height: 0.90–1.10 m (2.95–3.61 ft)
  • Outdoor Height: 1.40–2.00 m (4.59–6.56 ft)
  • THC: 30.00%
  • Aromatic profile: Sweet fruity candy, floral, diesel (Limonene dominant)
  • Effect: Stimulating, creative, leading to deep relaxation

Advice on how to grow the seed

Quick overview: Feminized photoperiod by Original Sensible Seeds, flowering in 60-65 days, ideal for indoor tents.

  • Expect a vigorous stretch during the pre-flowering phase.
  • Highly resistant to common pests and environmental stress.
  • Perfect for growers seeking maximum THC production.

Safe start: Germinate at 22–25 °C; once the taproot shows, plant in a light mix.

  • Keep humidity around 65-70% for delicate seedlings.
  • For a hassle-free start, BioBizz Root Juice speeds up rooting and reduces stress.
  • Water sparingly to avoid damping off issues.

Directed growth: Maintain an 18/6 light cycle and top early to encourage lateral branching.

  • Keep vegetative temperatures stable between 22–26 °C.
  • Apply LST to open up the dense Indica canopy.
  • In sustained growth, Advanced Nutrients Connoisseur Grow A+B keeps leaves green and compact.

Efficient flowering: Switch to 12/12 lighting, manage the stretch, and support heavy branches.

  • Lower humidity to 40-50% to prevent bud rot.
  • At the end of flowering, Canna Boost Accelerator helps with density and sweeter taste.
  • Ensure good airflow around the thick, resinous colas.

Harvest and refinement: Flush 10 days prior and harvest when trichomes are mostly milky.

  • Dry slowly at 18–22 °C and 50–60% RH.
  • Cure in glass jars for at least 3 weeks.
  • Enjoy the intense candy and diesel aromas.

Frequently Asked Questions

Is Slapz suitable for beginners?

Yes, despite its massive 30% THC, it is highly resilient and forgiving, making it a great choice for novices and experts alike.

How much does Slapz yield indoors?

Under optimal conditions, you can expect up to 650 g/m² (2.13 oz/ft²) after a 60-65 day flowering period.

What does Slapz smell like?

It features a dominant Limonene terpene profile, offering a mouth-watering aroma of sweet fruity candy with a light floral background and a trace of diesel.

Personal Experience of Pevgrow’s CEO (Alan)

When I first got my hands on Slapz, I knew Original Sensible Seeds had created a monster. Before popping the seeds, I made sure my carbon filter was brand new—and boy, did I need it. During the vegetative stage, the plants stayed relatively compact but bushed out beautifully with just a bit of LST. The real show started in week 4 of flowering; the resin production was absolutely insane, making the buds look like they were dipped in sugar.

After a 63-day flower, the harvest was heavy and trimming was super fast. The smoke? A perfect blend of sweet Runtz candy and that gassy Grease Monkey kick. It starts with a creative head buzz and melts into the most profound body relaxation. It’s easily one of my top picks for evening chill sessions.



  • Is the shipping discreet?

    Yes, the shipment is 100% discreet, no one will know what you have bought, also the sender is SITE OF SHOPS ONLINE.

  • Do you ship worldwide?

    Yes, we ship to almost every country in the world although you need to know the current legislation in your country to make sure that you do not break any regulations with the germination of the seeds.

    UK: 3-4 days (express)
    USA: 4-5 days (express)
    Australia: 4-5 days (express)
    Japan: 4-5 days (express)
    Canada: 4-5 days (express)
    South Africa: 4-5 days (express)
    New Zealand: 5-7 days (express)
    View all

    The customer must be informed about the laws of their country regarding seeds or other products that may be purchased on our website, the possession of which may constitute a criminal offence in the country of receipt.

    We cannot be made responsible for the wrong use that some people decide to give to the seeds, so please don't act against your national laws.

    Due to problems with customs you can check here for restrictions to certain countries.

  • What payment methods and currencies do you accept?

    We accept the following payment methods: Bank transfer, Cryptocurrencies, cash, credit and debit cards and cash on delivery (Spain, Belgium, France, Italy, Portugal).

    You can change the currency on the top right to know the price of the products in your local currency and of course pay this way.

  • How long does it take to ship my order?

    In 24/48 hours we will ship your order.

  • Are the seeds guaranteed to germinate?

    If you live in a country where the cultivation of cannabis is legal and you decide to plant the seeds, it is good that you know that all the seeds that we commercialize have germination guarantee.

    If you germinate with the method of paper napkins and you have followed all the steps that we indicate here, you will only have to return us the seeds not germinated in their original packaging and when we receive them we will proceed to the change.

    Then we take care of requesting the return to the seed bank, we do not transfer this responsibility and time to our customers.

  • What if I receive a bad or damaged product?

    If you receive a broken product due to transport, you have to notify us within 24 hours for insurance coverage, always contact us as soon as possible and we will fix the problem!

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