The Grow Awards 2026 🏆

Runtzin Cake Light Experiment

Approved by Barney's Farm
5
17
6
2749
2y ago
RedFarm Osram 730nm IR 660nm Red Infrared Grow Bar Light Emitting Diodes/30W
RedFarm Osram 730nm IR 660nm Red Infrared Grow Bar
Soil
Custom
Indoor
Room Type
HST
weeks 10-11
Main-Lining
weeks 9-11, 13
Defoliation
weeks 8-10, 13-14
Topping
weeks 8-11
ScrOG
weeks 9-13
LST
weeks 8-9, 13
25 liters
Pot Size
1 liters
Watering
Start at Harvest
8
Week 8. Vegetation
3y ago
20 cm
Height
18 hrs
Light Schedule
25 °C
Day Air Temp
6.0
pH
50 %
Air Humidity
20 °C
Solution Temp
21 °C
Night Air Temp
25 liters
Pot Size
1.25 liters
Watering Volume
70 cm
Lamp Distance
Nutrients 4
Bio-Grow - BioBizzWWO
Bio-Grow
1 mll
Acti-Vera - BioBizzWWO
Acti-Vera
2 mll
Bio-Heaven - BioBizzWWO
Bio-Heaven
2 mll
Yebis42 It was a bit rough start for these ones as you can see from the pictures. Started germinating these in the coldest time in the year, after some bug problems 4 out of 5 seeds made it. They were germinating slowly on my warmed, germination box about a month in 28c/70-80%rh. They have been in the bigger pots for about 2 weeks now and it´s starting to get crowded. Everyone has been topped twice now. It has now been about 1 month since I moved them in the tent, with a ppfd around 550. This will be the last week for them in the veg tent. What do you think about this light setup? IR/Deep Red https://www.horticultureledgrowlight.com/sale-14242021-redfarm-30w-osram-730nm-ir-660nm-red-infrared-grow-bar-for-cannabis-enhancement.html
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1 comment
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Used techniques
LST
Technique
Topping
Technique
Defoliation
Technique
9
Week 9. Flowering
3y ago
20 cm
Height
12 hrs
Light Schedule
25 °C
Day Air Temp
6.0
pH
50 %
Air Humidity
20 °C
Solution Temp
21 °C
Night Air Temp
25 liters
Pot Size
1.25 liters
Watering Volume
30 cm
Lamp Distance
Nutrients 7
Bio-Grow - BioBizzWWO
Bio-Grow
2 mll
Acti-Vera - BioBizzWWO
Acti-Vera
2 mll
Bio-Heaven - BioBizzWWO
Bio-Heaven
2 mll
Yebis42 Started 12-12 and moved the girls to bigger tent. They look healthy and strong DeepRed/IR goes 4/4/4 and 15min before and after the main lights. Added about 150gr of batshit to each pot. Next few weeks we will see enormous growth and will be adding the net. This a the first time testing this light setup for the entire flowering. Last batch only had them for about a month, and the result is promising. More, and bigger and better nuggets! 31.3 More defoliating, now the bottom should be clean. Haven´t seen any hairs yet, should see them in a few days. Plants did stretch A lot during the first week, especially the nodes.
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2 comments
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Used techniques
LST
Technique
ScrOG
Technique
Topping
Technique
Main-Lining
Technique
Defoliation
Technique
10
Week 10. Flowering
3y ago
50 cm
Height
12 hrs
Light Schedule
27 °C
Day Air Temp
6.1
pH
Weak
Smell
61 %
Air Humidity
22 °C
Solution Temp
21 °C
Night Air Temp
25 liters
Pot Size
1 liters
Watering Volume
30 cm
Lamp Distance
Nutrients 7
Bio-Grow - BioBizzWWO
Bio-Grow
1 mll
Acti-Vera - BioBizzWWO
Acti-Vera
3 mll
Bio-Heaven - BioBizzWWO
Bio-Heaven
3 mll
Yebis42 10.4 Nodes have stretched enormously and the plant in hole. Buds are forming nicely. Did some more defoliation and cleaning.. New Exhale bag in the corner. Now that the air is getting warmer outside I'm struggling to find the sweet spot for temps. Removed the net, it wasn´t really doing anything, too many plants.. Had to do some HST to few branches 11.4 Put the net back, they were stretching too much. Reduced ir/fr to just 1 hour, to start and finish. Learned that they stretch way too much during early flower with them on 4-4-4 The temps were everywhere from 21-32c I located the temperature sensor from the ac, removed it and placed it inside the tent. Now the temps should stay in line, still battling with RH the get vpd in line. 12.4 Temps are stable now, next the humidity...
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comments
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Used techniques
HST
Technique
ScrOG
Technique
Topping
Technique
Main-Lining
Technique
Defoliation
Technique
11
Week 11. Flowering
3y ago
65 cm
Height
12 hrs
Light Schedule
27 °C
Day Air Temp
6.1
pH
Normal
Smell
68 %
Air Humidity
22 °C
Solution Temp
21 °C
Night Air Temp
25 liters
Pot Size
1 liters
Watering Volume
30 cm
Lamp Distance
Nutrients 7
Bio-Grow - BioBizzWWO
Bio-Grow
1 mll
Acti-Vera - BioBizzWWO
Acti-Vera
3 mll
Bio-Heaven - BioBizzWWO
Bio-Heaven
3 mll
Yebis42 Flowering started a bit late due to high rh and low temps. Temps are fine now ,because I moved the sensor to tent, still struggling with the humidity. FR/IR is now 1/10/1 because it stretches the nodes too much. The AC is now pushing humidity to the tent to compensate heat, will have to figure out how to get the excess humidity out..
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1 comment
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Used techniques
HST
Technique
ScrOG
Technique
Topping
Technique
Main-Lining
Technique
12
Week 12. Flowering
3y ago
65 cm
Height
12 hrs
Light Schedule
27 °C
Day Air Temp
6.1
pH
Normal
Smell
64 %
Air Humidity
20 °C
Solution Temp
21 °C
Night Air Temp
25 liters
Pot Size
1 liters
Watering Volume
30 cm
Lamp Distance
Nutrients 7
Bio-Grow - BioBizzWWO
Bio-Grow
1 mll
Acti-Vera - BioBizzWWO
Acti-Vera
3 mll
Bio-Heaven - BioBizzWWO
Bio-Heaven
3 mll
Yebis42 17.4 The stretching has stopped and buds are growing nicely and they look healthy. Bought a dehumidifier to control the humidity. It seems to be stable now, I did water them at the beginning of the day so that´s why it shoots up to around 70% but will lower to 60% within a couple of hours. 18.4 Buds are forming nicely and getting bigger. Still a bit struggle with the vpd 19.4 VPD is finally in line and the line is STEADY AF 20.4 I think I spotted a brown hair.. Added more calmag to the mix 21.4 The smell is awesome. Peachy and fruity 8)
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comments
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Used techniques
ScrOG
Technique
13
Week 13. Flowering
3y ago
70 cm
Height
12 hrs
Light Schedule
27 °C
Day Air Temp
6.1
pH
Strong
Smell
64 %
Air Humidity
20 °C
Solution Temp
21 °C
Night Air Temp
25 liters
Pot Size
1 liters
Watering Volume
30 cm
Lamp Distance
Nutrients 7
Bio-Grow - BioBizzWWO
Bio-Grow
1 mll
Acti-Vera - BioBizzWWO
Acti-Vera
4 mll
Bio-Heaven - BioBizzWWO
Bio-Heaven
4 mll
Yebis42 Steady growth, buds are forming nicely and are now fattening. I can see a few burned leaves, but I'm not worried. A few calmag issues, will add 1.5 ml to the next mix.
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Used techniques
LST
Technique
ScrOG
Technique
Main-Lining
Technique
Defoliation
Technique
14
Week 14. Flowering
3y ago
70 cm
Height
12 hrs
Light Schedule
27 °C
Day Air Temp
6.1
pH
Strong
Smell
59 %
Air Humidity
22 °C
Solution Temp
21 °C
Night Air Temp
25 liters
Pot Size
1 liters
Watering Volume
30 cm
Lamp Distance
Nutrients 7
Bio-Grow - BioBizzWWO
Bio-Grow
1 mll
Acti-Vera - BioBizzWWO
Acti-Vera
5 mll
Bio-Heaven - BioBizzWWO
Bio-Heaven
5 mll
Yebis42 Did some heavy defoliation. Color is really picking up!
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comments
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Used techniques
Defoliation
Technique
15
Week 15. Flowering
3y ago
70 cm
Height
12 hrs
Light Schedule
27 °C
Day Air Temp
6.1
pH
Strong
Smell
61 %
Air Humidity
22 °C
Solution Temp
21 °C
Night Air Temp
25 liters
Pot Size
1 liters
Watering Volume
30 cm
Lamp Distance
Nutrients 7
Bio-Grow - BioBizzWWO
Bio-Grow
1 mll
Acti-Vera - BioBizzWWO
Acti-Vera
5 mll
Bio-Heaven - BioBizzWWO
Bio-Heaven
5 mll
Yebis42 Maturing nicely, smell is sweet and fruity.
3 likes
comments
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16
Week 16. Flowering
3y ago
70 cm
Height
12 hrs
Light Schedule
27 °C
Day Air Temp
6.1
pH
Strong
Smell
61 %
Air Humidity
22 °C
Solution Temp
21 °C
Night Air Temp
25 liters
Pot Size
1 liters
Watering Volume
30 cm
Lamp Distance
Yebis42 This one is done! 48 hours darkness then chop.
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16
Week 16. Harvest
2y ago
Happy Harvest Day!
Rated
10/10
Rated
Excellent and beautiful strain. Smell is very citrus and taste also
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Translate
Spent 64 days
Ger Veg Flo Har
792.5 g
Bud wet weight per plant
79.25 g
Bud dry weight per plant
4
Plants
1.2
Grow Room size
Normal
Difficulty
Positive effects
Happy, Relaxed
Positive effects
Negative effects
Dry mouth
Negative effects
Medical effects
Depression, Insomnia
Medical effects
Taste
Citrus, Fruity, Sour
Taste
Sleepy
Energy
Indica
Hybrid
Sativa

Height
Day air temperature
Air humidity
PH
Light schedule
Solution temperature
Night air temperature
Pot size
Lamp distance
Yebis42 This experiment was good. Girls did get very long during the first two weeks of flowering, but then the buds started growing and they did. Stash is now curing. Total dry weight was 317g from 4 plants
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2 comments
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