Claustrum 2.0 Feminized Seeds – Positronics | Pure Sativa Incense & Euphoria

Claustrum 2.0 by Positronics is the ultimate Sativa masterpiece, blending the legendary genetics of Kali Mist, Super Silver Haze, and Jack Herer to deliver explosive yields and an unforgettable, psychedelic high wrapped in a classic church incense aroma.

You know the struggle of hunting for a pure, energetic strain that doesn't just put you to sleep after an hour. Most modern hybrids water down that soaring, creative buzz you crave, leaving your stash jar full of heavy, lazy buds that kill your daytime motivation.

It’s frustrating to invest months of electricity, nutrients, and sweat into a grow, only to end up with fluffy, airy flowers that lack that complex, old-school terpene profile. You waste time training plants that stretch out of control, and the payoff just isn't there when you finally light up, leaving you feeling sluggish instead of inspired.

Claustrum 2.0 flips the script, offering a highly stable, vigorous candelabra structure that maximizes light penetration and yields massive, resin-drenched colas. This three-way legendary cross guarantees a mind-bending, euphoric trip with that nostalgic pine and eucalyptus flavor, organizing your grow room with predictable, heavy-hitting results.

Before growing Claustrum 2.0

Get ready to tame a beast. This plant has tremendous vegetative vigor and demands space, intense light, and a solid nutritional plan. You need to prepare your indoor tent or outdoor garden for a strain that loves to stretch and reach for the sky.

• Secure at least 2.00 m (6.56 ft) of vertical space indoors to handle its stretch.
• Prepare a highly aerated substrate to support its massive root system.
• Set up your SCROG nets early to manage its candelabra-like branching.
• Ensure your lights can push up to 100,000 lumens per square meter for maximum yield.

During the grow and the trip

Once you flip to flowering, watch this beauty explode. The internodal distance is long, but the branches distribute perfectly, allowing optimal airflow and light penetration to the lower buds. You'll notice huge, elongated stigmas forming, a classic trait of these premium feminized seeds.

When you finally vape or smoke it, the sensory experience is wild. It transports you to a medieval cathedral, filling the room with a dense, complex incense aroma. The flavor hits your palate with strong pine and eucalyptus notes, while the high kicks in almost instantly, sending your mind into a creative, euphoric overdrive.

After the harvest: results and maintenance

When the cycle is done, you'll be staring at jars full of top-tier Sativa buds with surprisingly few leaves to trim. The yield is incredibly rewarding, giving you a stash that fuels your daytime adventures and creative projects for months.

Maintenance is minimal once dried and cured, but keep those jars burped properly to preserve that delicate incense terpene profile. The psychedelic effects remain potent, ensuring every session is just as stimulating as the first.

Short- and long-term advantages and benefits

• Because it has a candelabra growth structure, you get better light penetration and airflow, which means denser buds and less risk of mold.
• Thanks to its three-way legendary genetics, it offers extreme vegetative vigor, meaning you can take almost unlimited cuttings for future runs.
• Because it produces huge stigmas and few leaves, you experience a much faster and easier trimming process, which means less time working and more time enjoying your harvest.
• With its high THC and low CBD ratio, it delivers a highly stimulating effect, meaning you stay energized, creative, and ready to tackle the day.
• Because it comes from the master breeders at Positronics, you get guaranteed genetic stability, which means peace of mind and consistent, top-shelf results every time you plant a seed.

Technical specifications

• Genetics: Kali Mist × Super Silver Haze × Jack Herer
• Type: Feminized
• Dominance: Sativa dominant
• Indoor Yield: 500 g/m² (1.64 oz/ft²) approx.
• Outdoor Yield: 1.00 kg/plant (2.20 lb/plant) approx.
• Indoor Height: 1.00–1.50 m (3.28–4.92 ft)
• Outdoor Height: up to 5.00 m (16.40 ft)
• Flowering Time: 10–11 weeks approx.
• Difficulty: Medium
• Aroma/Flavor: Church incense, pine, eucalyptus
• Effect: Highly stimulating, euphoric, psychedelic
• THC: High (approx. 21%)
• CBD: Low

Quick grow guide for Claustrum 2.0

Quick overview: Sativa photo · Positronics · 10-11 weeks flower · ideal for tall indoor spaces or sunny outdoors.

• Needs intense light (up to 100k lumens/m²).
• Tolerates high temperatures well.
• Perfect for SCROG setups.

Safe start: Germinate at 24 °C; transplant into a light, airy mix to boost early root expansion.

• Keep RH around 65%.
• Use mycorrhizae for a strong foundation.
• Don't overwater the seedlings.

Directed growth: Run 18/6 light cycle; top early to control the massive stretch and multiply colas.

• Train branches horizontally.
• Keep EC moderate; Sativas burn easily.
• Prune lower growth for better airflow.

Efficient flowering: Switch to 12/12; to push those complex incense terpenes to the max, add Bud Candy Advanced Nutrients during peak bloom.

• Maintain RH at 40-45%.
• Support heavy branches.
• Flush 10 days before harvest.

Frequently Asked Questions

How tall does Claustrum 2.0 get indoors?

Due to its Sativa dominance, it stretches significantly. Expect a minimum height of 1.00 m (3.28 ft), often reaching 1.50 m (4.92 ft) if not trained properly with SCROG or topping.

What does "church incense" flavor mean?

It refers to a complex, woody, and spicy terpene profile reminiscent of frankincense and myrrh, heavily influenced by its Haze and Jack Herer lineage, mixed with fresh pine and eucalyptus.

Is this strain good for beginners?

It has a medium difficulty. While it is highly vigorous and resistant, its massive stretch and longer flowering time require some basic canopy management skills to get the best results.

Personal Experience of Pevgrow’s CEO (Alan)

Whenever I want to take a trip back to the golden era of Amsterdam coffee shops, Claustrum 2.0 is my go-to. Before I even pop these seeds, I make sure my indoor tent has plenty of vertical clearance—this girl loves to stretch! I always set up a SCROG net early on because her candelabra structure is practically begging to be woven through a trellis.

During the grow, the sheer vigor is mind-blowing. I keep the EC a bit lower than I would for heavy Indicas, as she prefers a lighter, steady feeding. When she hits mid-flower, the smell is unbelievable—it literally smells like you walked into a medieval cathedral. After the harvest and a slow, careful cure, the reward is a stash of pure psychedelic energy. The high is soaring, clear, and incredibly euphoric. It’s the perfect smoke for a weekend hike or a creative brainstorming session. If you respect her space and give her the light she craves, she will reward you with some of the most unique, old-school Sativa buds you'll ever experience.