Greenhouse_Project The Dark Devil Awakens: Germination & First Steps
Welcome to the start of my journey with the Dark Devil Auto! Iām super hyped for this one, as Iāve heard nothing but good things about its colors and terpene profile. For the start, I wanted to make sure she has the cleanest and most efficient beginning possible.
The Germination Strategy
I started the process by soaking the seed in a mix of distilled water and 1ml of Hydrogen Peroxide (H2āO2ā). This is my go-to method to ensure a sterile environment and to give the seed a little oxygen boost to wake it up.
24 Hours later: The shell started to crack open! I reduced the water level slightly and waited for the taproot to make its appearance.
The Pop: A few hours later, the radicle (taproot) was clearly visible and ready for the medium.
š± Tucking Her In
Once she was ready, I prepped a coco plug (pellet) for her. I didnāt just use plain water; I pre-soaked the plug in a light solution of:
pH-adjusted water (keeping it stable)
BioBizz RootJuice (to kickstart those roots)
BioBizz BioĀ·Heaven (for that extra energy boost)
Sheās now sitting comfortably in her new home.
š Current Environment
Sheās currently hanging out in a mini-greenhouse (propagator) to keep the environment dialed in.
Humidity: Staying steady at 80%+ * Vibe: Perfect for a little seedling to break through the surface.
Now we wait for the first "hello" from the soil! Stay tuned for the first leaves.
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Used method
Other
Germination Method
1
Week 1. Vegetation
3mo ago
1/2
6.4
pH
5 l
Pot Size
30 cm
Lamp Distance
Nutrients 6
Bactrex
1 mll
Organic Fertiliser Tablets
1 mll
Orgatrex
5 mll
Greenhouse_Project Into the "Forever Home" & The BioTabs Power-Up
She didnāt waste any time! After a successful germination, the Dark Devil Auto quickly broke through the coco plug, looking for the light. As soon as those first leaves appeared, I fired up the grow light at a gentle 20% intensity to get that photosynthesis kickstarted and ensure she stays a healthy, vibrant green.
š± The Big Move (Transplanting)
With autos, timing is everything. To avoid any root-bound stress later on, I moved her straight into her final 5L fabric pot. In my experience, the sooner they are in their final home, the better they can establish a massive root system before the flowering clock starts ticking.
The Organic Strategy (BioTabs Setup)
Iām running the full BioTabs organic line for this grow. Here is how I prepped the medium:
The Mix: I blended 25g Startrex and 30g Silicium Flash directly into the soil to build a rich, microbial foundation.
The Hole: Right where the plug went in, I added 2g of Mycotrex (mycorrhizae) for explosive root growth and tucked in 1 BioTab to provide a long-term food source.
First Drink: I watered her in with a 1-liter solution containing 10ml Orgatrex and 1g Bactrex. This "kickstarts" the life in the soil.
āļø Environment & Tech
Everything is dialed in to keep the stress levels at zero:
Lighting: The lamp is hanging at 30cm height, running at 20% power. Iāve also set up a sunrise/sunset simulation to mimic nature and keep the transition smooth for the seedling.
Airflow: I have a small fan running on low speed. Just enough to create a tiny "dance" in the leavesāthis strengthens the stem (the "legs") early on so she can carry those heavy purple buds later.
She looks happy, healthy, and ready to explode!
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2
Week 2. Vegetation
3mo ago
1/3
13 cm
Height
18 hrs
Light Schedule
26 °C
Day Air Temp
6.4
pH
74 %
Air Humidity
21 °C
Night Air Temp
5 l
Pot Size
30 cm
Lamp Distance
Nutrients 6
Bactrex
1 mll
Organic Fertiliser Tablets
1 mll
Orgatrex
5 mll
Greenhouse_Project We are two weeks in, and the Dark Devil Auto is looking absolutely phenomenal. She has officially settled into her 5L fabric pot, and the growth is starting to accelerate. Thereās something special about watching an auto find its rhythm without any setbacks!
š Growth & Vitality
Height: Sheās currently sitting at 13cm.
Development: The leaf pairs are developing beautifully. The symmetry is perfect, and the foliage looks vibrant and healthy.
Stress Level: Zero. She didn't skip a beat after the transplant. Itās clear that the microbial life from the BioTabs is doing its job, keeping the roots happy and the plant stress-free.
š§ Feeding & Soil Life
One of the best things about the BioTabs system is how "set and forget" it is during these early stages.
Nutrients: No extra bottles this week! I only added plain, pH-stable water.
Observation: There are absolutely no signs of overfeeding or nutrient burn. The plant is taking exactly what it needs from the enriched medium. The "Silitium Flash" and "Startrex" combo seems to be providing a perfect buffet.
š” Light & Environment
Iām slowly cranking up the intensity to match her growth:
Light Intensity: Increased to 29%, which lands us at approximately 15,000 Lux.
Tech Update: Iāve installed a Grow-Cam inside the tent! This is a game-changer because it allows me to keep an eye on her 24/7 without having to unzip the tent. Less "tent-peeking" means a more stable microclimate (humidity and temp) for the plant.
The structure is looking solid, and I canāt wait to see her start branching out even more next week.
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3
Week 3. Vegetation
2mo ago
1/4
13 cm
Height
18 hrs
Light Schedule
27 °C
Day Air Temp
6.4
pH
74 %
Air Humidity
21 °C
Night Air Temp
5 l
Pot Size
30 cm
Lamp Distance
Nutrients 6
Bactrex
1 mll
Organic Fertiliser Tablets
1 mll
Orgatrex
5 mll
Greenhouse_Project The Explosion & Getting Twisted with LST
Hold on to your hats, because this girl is officially going wild! Week 3 has been an absolute explosion of growth. The Dark Devil is living up to her reputationāsheās pushing out new growth so fast itās hard to keep up.
š Growth Spurt & Training
This week was all about control and canopy management. Since sheās growing like crazy, I decided to get hands-on:
LST (Low Stress Training): I performed LST twice this week. Iām pulling the main stem down to break the apical dominance and encourage those side branches to catch up.
The "Height" Situation: If youāre looking for a height measurement, you won't find one! Since Iāve tied her down, sheās growing wide rather than tall. Itās all about creating that flat, even canopy to maximize bud sites later on.
š” Dialing in the Light
With the increase in leaf mass, Iāve stepped up the energy:
Intensity: Cranked the lamp up to 36%.
Output: We are now sitting at a solid 20,000 Lux. Sheās soaking it up and showing zero signs of light stressājust pure, green energy.
š The BioTabs Magic
I have to say, the BioTabs system is doing a "geilen Job" (an amazing job).
Vibe Check: The plant looks incredibly healthy. No yellowing, no spots, no burnt tipsājust lush, organic growth. Itās so satisfying to see her thrive with nothing but plain water while the microbes in the soil do all the heavy lifting.
The structure is looking super bushy, and those side shoots are already reaching for the light. If she keeps this pace up, weāre in for a massive flowering phase!
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Used techniques
LST
Technique
4
Week 4. Vegetation
2mo ago
1/4
24 cm
Height
18 hrs
Light Schedule
27 °C
Day Air Temp
6.4
pH
47 %
Air Humidity
21 °C
Night Air Temp
5 l
Pot Size
30 cm
Lamp Distance
Nutrients 6
Bactrex
1 mll
Organic Fertiliser Tablets
1 mll
Orgatrex
5 mll
Greenhouse_Project The Bloom Shift & The LST Payoff
Weāve officially hit the finish line of the vegetative stage! This week, the Dark Devil Auto began her transition into the flowering phase, and man, she is looking spectacular. The transition has been seamless, and sheās showing all the signs of a plant ready to put on a serious show.
šæ Health & Aesthetics
The overall health remains top-tier. Sheās rocking a beautiful, vibrant green color from top to bottom. Itās clear that the BioTabs are still providing everything she needsāthe nutrient delivery is perfectly balanced with no signs of deficiencies or burn. Organic growing really makes for some of the healthiest-looking foliage!
š„Ø LST & Pre-flowering
The effort I put into LST over the last few weeks is officially paying off.
The Structure: Instead of one main "Christmas tree" top, I now have a wide, even canopy with multiple bud sites reaching for the light.
The Tease: The pre-flowers are starting to pop up everywhere! Looking at the structure and the node development, the flowering phase is promising to be very productive. The "Dark Devil" genes are starting to wake up.
š” Pushing the Photons
As she prepares for the "stretch" (the rapid growth spurt at the start of flowering), Iāve dialed up the intensity of the light:
Power: Now running at 43%.
Intensity: This brings us to a solid 28,000 Lux.
Reaction: Sheās eating up the extra light with no signs of heat stress, staying squat and bushy exactly the way I want her.
The "Dark Devil" is about to get her stretch on, and Iām here for it! Next week, we should see the first real clusters of flowers forming.
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5
Week 5. Flowering
2mo ago
1/5
36 cm
Height
18 hrs
Light Schedule
28 °C
Day Air Temp
6.4
pH
No Smell
Smell
47 %
Air Humidity
22 °C
Night Air Temp
5 l
Pot Size
30 cm
Lamp Distance
Nutrients 1
Bactrex
1 mll
Greenhouse_Project Flowers Popping & The LST Payoff
We are officially in full-on bloom mode! The Dark Devil Auto is starting to show her true potential this week, and I couldn't be happier with the progress. The transition from growth to flower is looking super smooth.
šø The First Signs of Bloom
Itās happening! Those beautiful white stigmas (pistils) are forming all over the plant. Itās such a rewarding sight to see the first clusters of flowers appearing. Sheās putting her energy into the right places now, and the structure looks ready to support some heavy buds.
š„Ø LST Victory
I am so glad I put in the work with the LST (Low Stress Training) earlier. Now that sheās stretching, the results are even more obvious:
The Canopy: Instead of just one main cola, I have a perfectly even field of potential top-shelf buds.
Light Coverage: Because of the training, every single bud site is getting direct light, which is going to be a game-changer for the final yield. Seeing it all come together like this is just awesome.
š Growth & Height
The "flowering stretch" is in full swing!
Current Height: Sheās climbed up to 36cm.
The Vibe: Sheās finding her vertical rhythm now, but thanks to the earlier training, sheās staying bushy and efficient rather than just tall and lanky.
Microbial Boost
To keep the root zone healthy and ensure the BioTabs system stays at peak performance during this energy-intensive phase, I added 1g of Bactrex to the water. Keeping those beneficial bacteria happy is key to making sure she can absorb all the organic goodness in the soil.
Sheās healthy, sheās stretching, and the first flowers are here. The next few weeks are going to be wild!
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6
Week 6. Flowering
2mo ago
1/5
44 cm
Height
18 hrs
Light Schedule
28 °C
Day Air Temp
6.4
pH
No Smell
Smell
47 %
Air Humidity
22 °C
Night Air Temp
5 l
Pot Size
30 cm
Lamp Distance
Nutrients 1
Bio PK 5-8
10 mll
Greenhouse_Project Thickening Up & The Big Booster Shot
Weāve hit the sweet spot! Week 6 is where the magic really starts to take shape. The Dark Devil Auto is transitioning from "just stretching" to "actually building," and the tent is starting to smell like a proper garden.
šø Bud Development
The stigmas (pistils) are really starting to pop nowāthey're getting noticeably thicker and bushier by the day. It looks like sheās starting to "stack" her flowers, which is exactly what we want to see at this stage. The structure I built with the LST is now a solid foundation for whatās going to be a very hairy, resinous harvest.
š± The "Special Sauce" (Feeding Update)
Since sheās working hard to produce those flowers, I decided it was time to give her a little "extra" to make sure she has all the energy she needs:
BioTabs Bio PK 5-8 (10ml): This is the heavy hitter. Itās packed with Phosphorus and Potassium to help the buds bulk up and get dense.
CalMag X-tra (2ml): My tap water can be a bit tricky, so I added a dose of CalMag to buffer it. This prevents any deficiencies (like those annoying brown spots) and keeps the nutrient uptake smooth under the LEDs.
š Growth Stats
Sheās still pushing upwards, but in a very controlled way:
Current Height: 44cm.
The Stretch: Thatās an 8cm jump from last week. Sheās definitely reaching for the finish line, but the nodes are staying tight and productive.
šļø Observations
The plant is looking incredibly healthy. The leaves are a deep green, and Iām starting to see the very first hints of those dark, "devilish" colors in the calyxes. If she keeps this up, the next two weeks are going to be a total transformation in terms of color and resin production.
Sheās thirsty, sheās hungry, and sheās ready to become a beast!
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7
Week 7. Flowering
1mo ago
1/5
44 cm
Height
18 hrs
Light Schedule
27 °C
Day Air Temp
6.4
pH
No Smell
Smell
47 %
Air Humidity
22 °C
Night Air Temp
5 l
Pot Size
30 cm
Lamp Distance
Nutrients 1
Bio PK 5-8
10 mll
Greenhouse_Project Week 7: The Autumn Fade & The Big Bulk
Weāve officially entered the heavy-hitting phase! Week 7 is all about weight, resin, and that beautiful "autumn" transition. The Dark Devil Auto has stopped her vertical climb and is now putting 100% of her energy into fattening up those bud sites.
šø Bud Development & The "Autumn" Look
The buds are looking magnificent! They are starting to swell and become more dense by the day.
The Fade: You might notice some yellowing leavesādon't panic! This is what we call the "autumn" of the plant's life. Sheās starting to pull mobile nutrients (like Nitrogen) from the older fan leaves and pumping all that goodness into the flowers. Itās a clear sign sheās heading toward the finish line.
The Color Mystery: Interestingly, she hasnāt shown her "dark side" yet. While the Dark Devil is famous for purple hues, some phenotypes stay green longer or require a temperature drop to trigger the anthocyanins. Whether she turns purple or stays a frosty green, the bud structure looks top-tier!
š± Feeding: The Final Push
To make sure she has enough "fuel" for this massive energy expenditure, I gave her a serious nutrient boost:
BioTabs Bio PK 5-8: I added 10ml/L to the watering routine. This extra Phosphorus and Potassium is exactly what she needs right now to maximize bud density and terpene production.
š Growth Stats
Height: Unchanged at 44cm.
Focus: As expected, vertical growth has completely stopped. The canopy is locked in, and the "stretch" is a thing of the past. Itās all about mass and weight from here on out.
šļø Observation Room
The smell in the tent is getting intense! Even without the purple colors yet, the resin production is ramping up, and the trichomes are starting to frost over the sugar leaves. The LST has created a really nice "field of buds" that are all soaking up the light equally.
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8
Week 8. Flowering
1mo ago
1/6
44 cm
Height
18 hrs
Light Schedule
27 °C
Day Air Temp
6.4
pH
Weak
Smell
47 %
Air Humidity
22 °C
Night Air Temp
5 l
Pot Size
30 cm
Lamp Distance
Greenhouse_Project The Copper Crown & The Final Bulk
We are officially on the home stretch! Week 8 is all about patience and watching the fine details. The Dark Devil Auto is showing clear signs of maturity, and the transition from "growing" to "ripening" is in full swing.
šø The Ripening Process
Things are looking very "mature" in the tent right now:
Pistils: Those white hairs (stigmas) are slowly drying up and turning a beautiful copper/amber color. This is a classic indicator that the plant is shifting its focus from building new flowers to ripening the existing ones.
Bud Swell: The buds are still putting on weight! They are noticeably bulking up, becoming denser and more resinous by the day.
The Scent: A sweet, subtle aroma is finally starting to fill the air. Itās not "stink up the whole neighborhood" loud yet, but itās definitely there and getting more complex.
š Natural Defoliation
Nature is taking its course:
The Fade: Almost all of the lower fan leaves have fallen off. Don't worryāthis is exactly what we want in an organic BioTabs grow. The plant has sucked all the stored energy out of those leaves to fuel the bud production. It looks like a true "autumn" landscape in the pot now.
š± Feeding: Keeping it Clean
After the heavy PK boost last week, Iāve decided to scale things back:
Input: Plain water only this week.
Reasoning: Since the BioTabs are still in the soil, thereās plenty of residual nutrition for her to finish strong. Keeping it to plain water now helps the plant "fade" naturally and ensures a clean, smooth taste in the final product.
ā³ The Finish Line
Iām calling it now: based on the trichome development and the look of the pistils, we are looking at 2 to 4 weeks MAX until harvest.
Plan: Iāll be keeping a very close eye on the trichomes with the magnifier starting next week to catch that perfect window of milky/amber heads.
šļø Observation Room
Even though she stayed green, the bud structure is top-tier thanks to the LST. Sheās a compact, heavy-hitting little beast! The "Dark Devil" might not have turned purple for us this time, but the quality of the flowers looks absolutely "wicked."
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9
Week 9. Flowering
25d ago
1/7
44 cm
Height
18 hrs
Light Schedule
27 °C
Day Air Temp
6.4
pH
Weak
Smell
47 %
Air Humidity
22 °C
Night Air Temp
5 l
Pot Size
30 cm
Lamp Distance
Greenhouse_Project The Thickening & The Terpene Wave
We are deep into the end-game now! The Dark Devil Auto is officially in the "bulking" stage where every day counts for that final dry weight. The tent is no longer just a grow spaceāitās a full-on aromatherapy session.
āļø Bud Bulk & Frost Factor
The transformation this week is incredible. Those buds are getting thicker and denser by the hour.
The Swell: You can really see the calyxes starting to stack and swell up. Sheās putting on that late-flower weight that makes all the difference when it comes time to harvest.
Resin Production: The "frost" is spreading further onto the sugar leaves, and the plant is looking increasingly sticky.
š The Terpene Explosion
Sheās finally found her voice! The garden is now radiating some seriously good smells.
The Aroma: The scent is getting much more complex and "loud." Itās that classic sign that the terpene profile is reaching its peak. This is usually the part where you start getting really impatient, but hold steadyāit only gets better from here!
š± Feeding: The Final Feast
To support this massive swelling, I didn't hold back on the nutrients:
BioTabs Bio PK: I gave her another round of Bio PK this week. This hit of Phosphorus and Potassium is exactly what she needs to harden those buds and maximize the essential oil production. Itās like a protein shake for the flowers right before the finish line.
ā³ The Home Stretch
Observations: The plant is looking like a seasoned pro. With most of the lower fan leaves gone and the focus entirely on the tops, she looks like a collection of heavy-hitting colas.
Next Steps: Iāll be keeping a very close eye on the trichomes now. We want to make sure we don't miss that perfect window of "cloudy with a hint of amber" for the ultimate effect.
The finish line is in sight, and sheās smelling like a champion!
Greenhouse_Project The Final Chapter: Harvest Day for the Devil!
The wait is finally over! After a journey of about 10 weeks from seed to finish, it was officially time for the "chop-chop." The Dark Devil Auto has been a pleasure to grow, and seeing her finally come down is both satisfying and a little bit sad.
āļø The Numbers (Wet Weight)
I stripped the larger leaves and got her ready for the scales.
Total Wet Weight: 105 grams.
The Reality Check: As every grower knows, wet weight is just a vanity metric! Weāre looking at about a 70-80% loss during the drying process, but for a 5L fabric pot and an organic BioTabs run, Iām really happy with the density and the "frost" coverage. The LST definitely helped in getting multiple solid colas instead of just one main stem.
š¬ļø The Slow & Steady Dry
To make sure all those amazing terpenes weāve been smelling for weeks actually stay in the bud, Iām taking the drying process very seriously:
Method: Iām using Dryferm bags to ensure a controlled environment.
The Goal: Iām aiming for a slow, gentle dry at around 50% humidity.
Patience is Key: Keeping the humidity stable and the temperature cool is the final hurdle to getting that top-shelf, smooth-smoking flower. No rushing here!
š Final Thoughts on the Grow
This run proved that BioTabs really is a "lazy grower's" dreamāpure organic quality with almost zero effort after the initial setup. Even though this specific phenotype didn't turn the deep purple I was expecting, the bud structure is rock solid and the resin production is off the charts.
The tent is empty for now, but the jars will soon be full!