420DeepGrow Thanks to the team at Royal Queen Seeds, Xpert Nutrients, and Mars Hydro — without them, this wouldn't be possible.
🖊️⛽ Permanent Marker:
Feminized photoperiod genetic from Royal Queen Seeds. A variety that stands out for its structure, resin production, and an intense and very characteristic aromatic profile.
A plant with good vigor, balanced structure, and a flowering that promises a large amount of resin. Its profile combines sweet and fruity notes with an intense fuel background and that characteristic aroma reminiscent of a permanent marker.
📆 Week 0:
Starting indoors. Germination with stable initial development, aiming from the beginning to promote a strong root system and clean growth.
The first days focused on establishing a good base for the cycle. Gentle watering with Master Root, keeping the substrate aerated and slightly moist.
⚡ EC: 0.3
💧 pH: 6.2
🌡️ Water: 21°C
🌫️ Humidity: 70–80%
💡 Intensity: 200–250 PPFD
🔥 Grow note: A genetic that I was really eager to try due to its fame and that particular aromatic profile. It will be interesting to see how it evolves and what expression it shows throughout the grow.
We're continuing to grow strong 💪!
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Used method
Paper Towel
Germination Method
1
Week 1. Vegetation
8d ago
1/7
2 cm
Height
20 hrs
Light Schedule
30 °C
Day Air Temp
6.3
pH
No Smell
Smell
450 PPM
TDS
70 %
Air Humidity
21 °C
Solution Temp
22 °C
Substrate Temp
26 °C
Night Air Temp
5 liters
Pot Size
0.13 liters
Watering Volume
60 cm
Lamp Distance
450 PPM
CO₂ Level
Nutrients 3
Cal-Mag Amino
0.5 mll
Master Root
0.5 mll
Master Grow
0.5 mll
420DeepGrow 📆 Week 1:
During this first week, the plant continues to establish its roots and starts to gain strength little by little. It has been a somewhat complicated week due to the high temperatures, which have made it difficult to maintain humidity within the desired parameters.
I’m introducing Master Grow in low doses to support vegetative development progressively, while also keeping Master Root to encourage root development.
⚡ EC: 0.4
💧 pH: 6.2
🌡️ Water: 21°C
🌫️ Humidity: 55–70%
💡 Intensity: 250–350 PPFD
🔥 Grow note: A somewhat demanding first week due to the temperatures, but the plant continues to progress and is starting to establish a good foundation for the coming weeks.
We keep growing strong 💪!
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2
Week 2. Vegetation
11h ago
1/7
4 cm
Height
18 hrs
Light Schedule
28 °C
Day Air Temp
6.3
pH
Weak
Smell
900 PPM
TDS
65 %
Air Humidity
21 °C
Solution Temp
22 °C
Substrate Temp
26 °C
Night Air Temp
5 liters
Pot Size
0.2 liters
Watering Volume
60 cm
Lamp Distance
450 PPM
CO₂ Level
Nutrients 3
Cal-Mag Amino
0.5 mll
Master Root
1 mll
Master Grow
1.2 mll
420DeepGrow 📆 Week 2:
During this second week, the plant starts to show more active development and continues to strengthen both its structure and root system. Despite the temperatures, it maintains stable growth and begins to gain size progressively.
I continue with Master Root and slightly increase Master Grow to support the vegetative progress, gradually raising the nutrition to match the new growth pace.
⚡ EC: 0.9
💧 pH: 6.2
🌡️ Water: 21°C
🌫️ Humidity: 55–70%
💡 Intensity: 300–400 PPFD
🔥 Cultivation note: The plant is leaving behind the initial difficulties and starts to pick up a more consistent growth rhythm, responding well to the increased nutrition.
We keep growing strong 💪!