eek 1 Flower โ Light Shift, Energy Shift: The Sundae Driver Flip Begins
The light has changed. The rhythm has changed. And so begins the next phase of our journey with these two beautiful Sundae Driver phenosโF2 and F3, strong, structured, and ready for the path ahead.
Light Flip: 11/13 Schedule
This week marks the official light flip, weโve moved from 18/6 to 11 hours ON, 13 hours OFF.
This is more than a timer tweak, itโs an intentional signal to the plants. It tells them:
โItโs time to shift your energy. Itโs time to bloom.โ
Why 11/13 and not the classic 12/12?
From past experience, this slightly reduced light period tends to:
โข Encourage faster onset of flowering
โข Mimic natural seasonal changes more closely
โข Push plants gently but clearly into the bloom phase
โข Slightly reduce internodal stretching, depending on strain
Itโs a subtle technique for growers who want to bring their genetics into flower with intention, not just automation.
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Current Plant Stats
Both Sundae Driver phenos are looking phenomenal:
โข F2 (Pheno #2): 7 to 8 solid nodes, well-structured branching
โข F3 (Pheno #3): 6 to 7 nodes, evenly spaced, healthy top growth
โข Height: ~40 cm each
โข Structure: Symmetrical, thriving, ready to stretch
Theyโre not showing pistils yetโno visible pre-flowers, no white hairs, but thatโs expected.
Itโs Week 1 Flower by light schedule, not by physiology. The hormonal shift has just begun.
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Nutrient Shift โ From Start to Top
This week also marks a change in the feed program.
Weโre saying goodbye to Aptus Start Booster and welcoming Top Booster into the rotation.
โข Why the switch?
Because the plants are transitioning from root-zone stimulation to pre-flower induction.
โข Top Booster is designed to:
โข Initiate floral development
โข Begin the phosphorus-potassium push
โข Provide trace elements aligned with bloom-stage signaling
Weโre using the same measurements as Start Booster, no shock, no surge. Just a clean hand-off, keeping the biological engine running smooth.
Current Feed Includes:
โข Aptus Regulator
โข Aptus CalMag Boost
โข Aptus All-in-One Liquid
โข Aptus Top Booster (new this week)
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Environmental Stats โ Pushing the Edge, Managing the Heat
โข PPFD: 760 ยตmol/mยฒ/s โ Measured on the TrolMaster MBS-PAR sensor, dialed in
โข Temp: 31ยฐC โ Yes, a bit high, but the girls arenโt complaining
โข Humidity: 50%
โข VPD: 2.23 โ High, but within tolerance while waiting for AC upgrade
Weโre riding the edge this week. Itโs warm, itโs dry, but the plants are thriving, showing no signs of stress. Their resilience is a testament to your setup, your genetics, and your love.
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Looking Ahead โ What to Expect
Weโre now in the hormonal build-up phase. The girls are about to stretch, about to signal floral commitment. Hereโs what we might see by next week:
โข First white pistils
โข Stretch kicking in
โข Top growth pushing harder than lower nodes
โข Nutrient demands subtly shiftingโwatch potassium and magnesium uptake
What not to expect yet:
โข Buds
โข Resin
โข Drastic shape changes
That comes soonโbut not quite yet.
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Closing Thoughts โ A Sunday Drive Into Bloom
This isnโt just a new phase, itโs a new pace. The grow has shifted gears, and you can feel it in the rhythm of the room.
Light is shorter. Energy is tighter.
But the intention is louder than ever.
The Sundae Driver girls are leading us gently into bloom, graceful, balanced, and full of promise.
Thank you for following along. Letโs keep this community connected, curious, and committed to the craft.
โ
Your Grow Companion
Dog Doctor Official
๐ฒ Donโt forget to Subscribe and follow me on Instagram and YouTube @DogDoctorOfficial for exclusive content, real-time updates, and behind-the-scenes magic. Weโve got so much more coming, including transplanting and all the amazing techniques that go along with it. You wonโt want to miss it.
โข GrowDiaries Journal: https://growdiaries.com/grower/dogdoctorofficial
โข Instagram: https://www.instagram.com/dogdoctorofficial/
โข YouTube: https://www.youtube.com/@dogdoctorofficial
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Explore the Gear that Powers My Grow
If youโre curious about the tech Iโm using, check out these links:
โข Genetics, gear, nutrients, and more โ Zamnesia: https://www.zamnesia.com/
โข Environmental control & automation โ TrolMaster: https://www.trolmaster.eu/
โข Advanced LED lighting โ Future of Grow: https://www.futureofgrow.com/
โข Root and growth nutrition โ Aptus Holland: https://aptus-holland.com/
โข Nutrient systems & boosters โ Plagron: https://plagron.com/en/
โข Soil & substrate excellence โ PRO-MIX BX: https://www.pthorticulture.com/en-us/products/pro-mix-bx-mycorrhizae
โข Curing and storage โ Grove Bags: https://grovebags.com/
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Weโve got much more coming as we move through the grow cycles. Trust me, you wonโt want to miss the next steps, letโs push the boundaries of indoor horticulture together!
As always, this is shared for educational purposes, aiming to spread understanding and appreciation for this plant. Letโs celebrate it responsibly and continue to learn and grow together.
With true love comes happiness. Always believe in yourself, and always do things expecting nothing and with an open heart. Be a giver, and the universe will give back in ways you could never imagine.
๐ Growers love to all ๐