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Green-O-Matic Small DWC LED Cabinet Grow
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Tent
Grow Cabinet
Home Made
Fan
SVS 125 B Slimvent
Helios
Filt
PRO 125mm
Rhino
Cond
Portable AC
Custom
Hydro
DWC
Home Made
Indoor
Room Type
LST
weeks 8
50 L
Pot Size
Start at Harvest
G
Germination1mo ago
Blazar This is a small cabinet DWC grow (roughly 0.5m2) with:
- 250w Spider Farmer LED board SF 2000
- 125mm (5in) ventilation fan with rhino carbon filter
- 50L insulated cooler
- Air pump with multiple airstones
- I bought a portable AC unit halfway through
- Running Lucas Formula
- 20 Hours light on and 4 off all through the grow.
This was a trial with some autos to test the set up.
It’s been many years since I grew and I never grew autos.
I thought this would be a quick grow, but ran into lots of issues. Like:
- I had to get a larger air pump multiple times settling on a 40L/min pump
- Faulty EC meter
- Temperature issues, which the portable AC solved.
- Light leak. I was only aware of this very late when the PH started dropping. It didn’t completely clear even when I blocked the light. It was kept at bay with peroxide.
At least I ironed them out for my next grow.
This grow was 10 Green-O-Matic from Greenhouse seeds and 1 West Coast OG X Gelato 41 Auto (freebie) also from Greenhouse seeds.
Week 1:
Only RO water used PH'd to 6.3 and some H2O2 to keep things sterile.
Day 1 – Seeds put between paper towels with heat mat underneath
Day 4 – Seedlings put in Root Riot cubes a little late. I had to cut the cubes in half and cable-tie back together.
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Used method
Paper Towel
Germination Method
1
Week 1. Vegetation1mo ago
3 cm
Height
20 hrs
Light Schedule
25 °C
Day Air Temp
5.7
pH
No Smell
Smell
50 PPM
TDS
59 %
Air Humidity
16 °C
Solution Temp
15 °C
Night Air Temp
50 L
Pot Size
91 cm
Lamp Distance
Nutrients 1
Liquid Oxygen
1 mll
Blazar Week 2:
No nutrients given.
Day 9 – Seedlings moved to main tub in net pots with clay pebbles
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3
Week 3. Vegetation1mo ago
5 cm
Height
20 hrs
Light Schedule
24 °C
Day Air Temp
5.7
pH
No Smell
Smell
690 PPM
TDS
50 %
Air Humidity
18 °C
Solution Temp
17 °C
Night Air Temp
50 L
Pot Size
60 cm
Lamp Distance
Nutrients 3
TriPart Micro
1.5 mll
TriPart Bloom
3 mll
Liquid Oxygen
1 mll
Blazar Pretty slow growth
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4
Week 4. Vegetation1mo ago
10 cm
Height
20 hrs
Light Schedule
24 °C
Day Air Temp
5.7
pH
No Smell
Smell
600 PPM
TDS
50 %
Air Humidity
18 °C
Solution Temp
18 °C
Night Air Temp
50 L
Pot Size
55 cm
Lamp Distance
Nutrients 3
TriPart Micro
1.5 mll
TriPart Bloom
3 mll
Liquid Oxygen
6 mll
Blazar I found out my EC meter was malfunctioning and I was nuking the plants with high ppms.
I flushed them with plain RO water and started feeding light nutrients - aiming for about 600ppm.
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5
Week 5. Vegetation1mo ago
25 cm
Height
20 hrs
Light Schedule
22 °C
Day Air Temp
5.7
pH
No Smell
Smell
500 PPM
TDS
50 %
Air Humidity
19 °C
Solution Temp
18 °C
Night Air Temp
50 L
Pot Size
45 cm
Lamp Distance
Nutrients 3
TriPart Micro
1.5 mll
TriPart Bloom
3 mll
Liquid Oxygen
6 mll
Blazar Growth picked up.
Day 39 - Preflowers starting to show
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6
Week 6. Flowering1mo ago
27 cm
Height
20 hrs
Light Schedule
22 °C
Day Air Temp
5.8
pH
No Smell
Smell
850 PPM
TDS
50 %
Air Humidity
19 °C
Solution Temp
18 °C
Night Air Temp
50 L
Pot Size
27 cm
Lamp Distance
Nutrients 3
TriPart Micro
1.5 mll
TriPart Bloom
3 mll
Liquid Oxygen
6 mll
Blazar I added a screen @ 8 inches high.
Buds starting to form.
Plant 5 showing loads of stretch.
Signs of Cal-Mag deficiency showing, I thought this was due to over feeding and didn’t do anything, it was only later I remebered I was using RO water (I've only ever used tap water previously). I bough some Cal-Mag for the next grow.
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7
Week 7. Flowering1mo ago
27 cm
Height
20 hrs
Light Schedule
22 °C
Day Air Temp
5.8
pH
No Smell
Smell
850 PPM
TDS
50 %
Air Humidity
19 °C
Solution Temp
18 °C
Night Air Temp
50 L
Pot Size
27 cm
Lamp Distance
Nutrients 3
TriPart Micro
1 mll
TriPart Bloom
2 mll
Liquid Oxygen
1 mll
Blazar Plant 2 started stretching now. Very late.
I fed some Epsom salts to help with Mag deficiency.
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8
Week 8. Flowering1mo ago
30 cm
Height
20 hrs
Light Schedule
24 °C
Day Air Temp
5.8
pH
No Smell
Smell
950 PPM
TDS
50 %
Air Humidity
19 °C
Solution Temp
20 °C
Night Air Temp
50 L
Pot Size
27 cm
Lamp Distance
Nutrients 3
TriPart Micro
1 mll
TriPart Bloom
2 mll
Liquid Oxygen
1 mll
Blazar Things progressing well.
Plant 2 still stretching.
Plant 1 is tiny but very frosty.
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Used techniques
LST
Technique
9
Week 9. Flowering1mo ago
35 cm
Height
20 hrs
Light Schedule
24 °C
Day Air Temp
5.8
pH
Normal
Smell
600 PPM
TDS
50 %
Air Humidity
19 °C
Solution Temp
20 °C
Night Air Temp
50 L
Pot Size
27 cm
Lamp Distance
Nutrients 3
TriPart Micro
0.8 mll
TriPart Bloom
1.6 mll
Liquid Oxygen
1 mll
Blazar Day 66 – I chopped the top growth from plant 1 and 5 and dried in a plastic tub with a PC fan for ventilation, so I would have something to smoke during the final harvest. It was 8grams dry in total.
Problem with PH dropping. It turns out this was from a light leak, which caused algae which I only found out later. I used H2O2 to minimise the PH dropping.
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10
Week 10. Flowering1mo ago
37 cm
Height
20 hrs
Light Schedule
24 °C
Day Air Temp
5.8
pH
Normal
Smell
550 PPM
TDS
50 %
Air Humidity
19 °C
Solution Temp
20 °C
Night Air Temp
50 L
Pot Size
25 cm
Lamp Distance
Nutrients 3
TriPart Micro
0.8 mll
TriPart Bloom
1.6 mll
Liquid Oxygen
1 mll
Blazar Day 73 – I chopped some more from plant 5 (6g dry in total)
Growth continuing.
Plant 2 is holding up the final harvest as it matured very late.
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11
Week 11. Flowering1mo ago
37 cm
Height
20 hrs
Light Schedule
24 °C
Day Air Temp
5.8
pH
Normal
Smell
50 PPM
TDS
50 %
Air Humidity
19 °C
Solution Temp
20 °C
Night Air Temp
50 L
Pot Size
25 cm
Lamp Distance
Nutrients 1
Liquid Oxygen
1 mll
Blazar Day 81: Start of flush with RO water only.
Plants starting to mature, lots of cloudy trichs (~50%) and some brown (~10%)
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12
Week 12. Flowering1mo ago
37 cm
Height
20 hrs
Light Schedule
24 °C
Day Air Temp
5.8
pH
Normal
Smell
50 PPM
TDS
50 %
Air Humidity
19 °C
Solution Temp
20 °C
Night Air Temp
50 L
Pot Size
25 cm
Lamp Distance
Nutrients 1
Liquid Oxygen
1 mll
Blazar Last week
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13
Week 13. Harvest1mo ago
Happy Harvest Day!
5/10
Rated
I would not grow Green-O-Matic again. It doesn’t seem to be a very stable strain, not very consistent. Some of this is down to the issues I had, but the strain is also very variable from what I have read online. For example one of the plants started flowering very late and the heights of all the plants were quite different.
I had 3 very different pheno’s:
1: Very stretchy, fruity smell, low yield.
2: Very stretchy and bushy, extremely leafy bud that’s hard to trim well, very strong creamy lemon smell, high yield, very late flowering.
3: Small, frosty and tastes of strawberry, low yield.
Final plant specs:
Plant Strain
Final Height (in) Dry Weight (grams)
1 Green-O-Matic
11
10
2 Green-O-Matic
21
34
4 Green-O-Matic
13
24
5 Green-O-Matic
21
20.6
6 Green-O-Matic
15
14
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Spent 80 days
Ger Veg Flo Har
20.4 g
Bud dry weight per plant
5
Plants
Easy
Difficulty
Height
Day air temperature
Air humidity
PPM
PH
Light schedule
Solution temperature
Night air temperature
Pot size
Lamp distance
Blazar Final impression:
This grow was 5 Green-O-Matic from Greenhouse seeds and 1 West Coast OG X Gelato 41 Auto (freebie) also from Greenhouse seeds.
Chopped @ day 87 from seed.
With a final dry weight of 102.6 for the Green-O-Matics and 39g for the West Coast OG X Gelato 41 Auto.
I also got 5g of dry-sift hash and 64g of sugar leaves that I made 500g of Canna-Ghee out of.
Details of grow:
This is a small cabinet DWC grow (roughly 0.5m2) with:
- 200w Spider Farmer LED board SF 2000
- 125mm (5in) ventilation fan with rhino carbon filter
- 50L insulated cooler
- Air pump with multiple airstones
- I bought a portable AC unit halfway through
- Running Lucas Formula
- 20 Hours light on and 4 off all through the grow.
This was a trial with some autos to test the set up.
It’s been well over a decade since I last grew and I never grew autos.
I thought this would be a quick grow, but ran into lots of issues. Like:
- I had to get a larger air pump multiple times settling on a 40L/min pump
- Faulty EC meter
- Temperature issues, which the portable AC solved.
- Light leak. I was only aware of this very late when the PH started dropping. It didn’t completely clear even when I blocked the light. It was kept at bay with peroxide.
At least I ironed them out for my next grow.
Next grow is Purple Kush, stay tuned.
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Equipment Reviews
13
Week 13. Harvest1mo ago
Happy Harvest Day!
9/10
Rated
I grew 1 freebie seed of this strain. It turned out to be the highest yielding plant/densest & strongest buds. If I was to grow autos I would grow this again.
Nice dense buds.
A short high, yielding plant.
The final smell is of rotten fruit/coffee that is changing to a more berry/fruity smell after 2 weeks of curing.
Final spec:
Dry Weight = 39 grams
Height = 38cm
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Spent 80 days
Ger Veg Flo Har
39 g
Bud dry weight per plant
1
Plants
Easy
Difficulty
Height
Day air temperature
Air humidity
PPM
PH
Light schedule
Solution temperature
Night air temperature
Pot size
Lamp distance
Blazar Dry weight was 39 grams and the plant was 38cm tall
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Equipment Reviews
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