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Auto MAC2 Seeds – Pure Instinto | 25% THC USA Autoflower · Sweet & Earthy Hybrid

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Auto MAC2 by Pure Instinto brings the legendary Miracle Alien Cookies into a lightning-fast autoflowering format. Packing up to 25% THC, this perfectly balanced hybrid delivers a euphoric, creative rush followed by deep relaxation. Expect dense, frosty buds with a sweet, earthy, and zesty aroma in just 8 to 10 weeks from seed. Perfect for growers who want premium USA genetics without the wait.
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Auto MAC2 by Pure Instinto is a lightning-fast autoflowering powerhouse that delivers the legendary resin production and sweet, earthy terpenes of Miracle Alien Cookies in record time.

Are you tired of waiting months to harvest top-shelf USA genetics or dealing with finicky photoperiods that mess up your schedule?

You want that legendary MAC frost and heavy-hitting potency, but let's be real—juggling light cycles, worrying about limited tent space, and waiting forever for those dense nugs to finish can seriously kill your vibe. Time is money, and staring at an empty stash jar while your plants take their sweet time is just depressing.

Enter the solution: Auto MAC2. This autoflowering beast takes the iconic Miracle Alien Cookies and puts it on the fast track, giving you up to 25% THC, rock-hard buds, and insane resin production in just 8 to 10 weeks from germination. You get all the top-tier flavor and bag appeal without the hassle, keeping your jars full and your sessions legendary.

Technical specifications

  • Breeder: Pure Instinto
  • Type: Autoflowering feminized
  • Dominance: 50% Indica / 50% Sativa
  • Genetics: MAC (Miracle Alien Cookies) × MAC Auto
  • Cycle: 55–69 days from germination
  • Yield Indoor: 400–500 g/m² (1.31–1.64 oz/ft²)
  • Yield Outdoor: 100–150 g/plant (3.53–5.29 oz/plant) approx.
  • Height: 0.90–1.20 m (2.95–3.94 ft)
  • Difficulty: Low
  • Recommended pot: 18 L final pot early
  • THC: 20–25%
  • CBD: < 1%
  • Aromatic profile: Earthy, zesty, sweet, citrus
  • Effect: Euphoric, creative, transitioning to tranquil relaxation

Advice on how to grow Auto MAC2

  • Quick overview: Autoflowering · Pure Instinto · 55–69 days cycle approx. · ideal for indoor tents and sunny balconies.
  • Safe start: Germinate at 22–25 °C and high RH; plant directly into the final pot once the radicle is ~1 cm (0.39 in). For a hassle-free start, SeedBooster Plus Germination Stimulator speeds up rooting and reduces early stress.
  • Directed growth: Keep a 20/4 light cycle and use an airy mix. Planting in Premium Coco Substrate Pre-Fertilized Plagron keeps vigor high and prevents waterlogging.
  • Efficient flowering: Maintain RH at 40–50% to protect those dense colas from mold. Adding Big Bud Advanced Nutrients at peak bloom helps with density and maximizes that sweet resin.
  • Harvest and refinement: Flush 7–10 days before chopping; dry slowly at 18–22 °C to preserve the zesty, earthy terpenes.

Advantages and benefits of growing Auto MAC2

  • Because it features a 50/50 Indica-Sativa balance, you get a perfectly rounded high, which means you can spark creativity during the day and chill out at night without feeling couch-locked.
  • Because it finishes in just 55–69 days, you can run multiple cycles per year, which means your stash jar will never run dry and you save time.
  • Because it produces up to 25% THC, you need less herb to reach your desired level, which means your harvest lasts longer and you save money.
  • Because it inherits the MAC resin profile, the buds are incredibly sticky and frosty, which means you get premium bag appeal and perfect material for extractions.

Ready to upgrade your grow room with some serious USA fire? Grab your Auto MAC2 seeds today and experience top-tier genetics in record time!

Frequently Asked Questions

How much does Auto MAC2 yield?

Indoors, you can expect around 400–500 g/m² (1.31–1.64 oz/ft²) under optimal lighting. Outdoors, a well-fed plant can produce up to 150 g/plant (5.29 oz/plant) in a sunny spot.

How tall does this strain grow?

It typically reaches a highly manageable 0.90–1.20 m (2.95–3.94 ft), making it perfect for standard grow tents or discreet outdoor balconies.

What does Auto MAC2 taste like?

It boasts a complex, sophisticated terpene profile. You'll notice a strong earthy and zesty base, followed by sweet, dessert-like citrus notes that linger on the palate.

Does it need a special light cycle?

No, as an autoflower, it thrives on a simple 18/6 or 20/4 light schedule from seed to harvest. There's no need to change the timer to trigger flowering.

Personal Experience of Pevgrow’s CEO (Alan)

When the guys at Pure Instinto dropped Auto MAC2, I knew I had to run it in my personal tent. I set up a quick 20/4 light cycle and honestly, the vigor out of the gate was insane. By week 5, the stretch was perfectly manageable, keeping it right around 1.00 m (3.28 ft), which is my sweet spot for indoor runs. The resin production is no joke—by late flowering, the sugar leaves looked like they were dipped in glass.

My biggest takeaway? Don't overfeed this beast early on. It thrives on a light nutrient schedule during veg, and then absolutely explodes when you hit it with a solid PK booster in weeks 6 and 7. The final smoke is that classic MAC experience: an immediate euphoric head rush that slowly melts into a super chill, functional body high. It’s easily one of my favorite quick-turnaround USA autos right now.



  • 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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