The Grow Awards 2026 🏆

Black Rainbow Autoflower

2
1
14
3d ago
Start at 4 Week
G
Germination
23d ago
Nutrients 1
CalMagic
0.66 mll
Theycallme_nips 3 of 3 germinated in paper towel and planted into 5gal coco/perlite fabric pots on 12/28/2025.
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Used method
Paper Towel
Germination Method
1
Week 1. Vegetation
23d ago
7.62 cm
Height
18 hrs
Light Schedule
24 °C
Day Air Temp
6.0
pH
No Smell
Smell
300 PPM
TDS
80 %
Air Humidity
18 °C
Night Air Temp
18.93 liters
Pot Size
1.25 liters
Watering Volume
60.96 cm
Lamp Distance
Nutrients 6
CalMagic
0.793 mll
Flora Micro
0.33 mll
Flora Gro
0.159 mll
Theycallme_nips Planted directly into 5gal. After 1 week all 3 have solid growth, no stretching but leaves look a little light. First time growing in coco so I may have waited too long for first feed. With high humidity the fabric pots seem to be holding water for multiple days at a time at this stage.
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2
Week 2. Vegetation
17d ago
7.62 cm
Height
18 hrs
Light Schedule
24 °C
Day Air Temp
6.0
pH
No Smell
Smell
400 PPM
TDS
75 %
Air Humidity
18 °C
Night Air Temp
18.93 liters
Pot Size
1.25 liters
Watering Volume
60.96 cm
Lamp Distance
Nutrients 6
CalMagic
0.793 mll
Flora Micro
0.33 mll
Flora Gro
0.159 mll
Theycallme_nips Started to show calcium deficiency so I did a calmag spray. Low level GH line.
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3
Week 3. Vegetation
9d ago
10.16 cm
Height
18 hrs
Light Schedule
24 °C
Day Air Temp
6.0
pH
No Smell
Smell
500 PPM
TDS
75 %
Air Humidity
18 °C
Night Air Temp
18.93 liters
Pot Size
1.25 liters
Watering Volume
60.96 cm
Lamp Distance
Nutrients 6
CalMagic
1.321 mll
Flora Micro
0.66 mll
Flora Gro
0.528 mll
Theycallme_nips Trying out the blumat system again. 24 hours in and no flooding yet. Water level does not look like it has moved much yet on the bucket but going to give it some more time. Plants look healthy overall.
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4
Week 4. Vegetation
3d ago
17.78 cm
Height
18 hrs
Light Schedule
21 °C
Day Air Temp
6.0
pH
No Smell
Smell
600 PPM
TDS
70 %
Air Humidity
18 °C
Night Air Temp
18.93 liters
Pot Size
1.25 liters
Watering Volume
60.96 cm
Lamp Distance
Nutrients 6
CalMagic
1.321 mll
Flora Micro
0.66 mll
Flora Gro
0.66 mll
Theycallme_nips Tried to set up the blumat system with drip rings but it never seemed to work. Water in reservoir had ph drift up so when finally fertigated they are showing slight deficiencies. No flowering yet but I’d imagine it is right around the corner. Pictures are from day 26. LST clips added only to meristems on day 27.
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Used techniques
LST
Technique

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GERGrowDesigns
GERGrowDesigns commentedweek 123d ago
Good Luck growmie ⭐
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