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Black Tuna
Feminized
Black Tuna combines dense, resinous buds with deep earthy, diesel and dark berry flavours. This indica-dominant variety finishes in 8-9 weeks and rewards careful growers with medium-high yields. Canadian growers value compact structure and strong evening effects for sleep and pain relief. MasterSeeds offers feminized seeds suited for tents and home gardens.
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STRAIN PROFILE
Complete Cannabis Strain Specifications
| Trait | Value |
|---|---|
| Type | Indica-dominant hybrid |
| THC | 20-24% |
| CBD | 0.5-1% |
| Grow Difficulty | Intermediate |
| Flowering Time | 8-9 |
| Yield | Medium-High (≈450 g/m² indoor) |
| Height | Medium (80-140 cm) |
| Environment | Indoor/Outdoor |
| Effects | Relaxation, Sedation, Euphoria |
| Flavors | Earthy, Diesel, Dark berry |
| Genetics | Black Tuna x Black Tuna |
| Climate | Temperate to continental (coastal BC to Ontario and prairie regions) |
Black Tuna Strain Information and Characteristics
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Strain Type:
Black Tuna is an indica-dominant strain with heavy resin production. Many Canadian growers describe plants as compact and dense.
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THC Content:
Black Tuna tests high for THC, often in the 20-24% range. This level sits above many common Canadian favourites like Blue Dream.
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CBD Content:
Black Tuna has low CBD, generally under 1%. Low CBD means effects focus on THC.
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Grow Difficulty:
Growing Black Tuna suits intermediate growers. You should monitor humidity and nutrient levels in Canadian grow spaces.
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Flowering Time:
Black Tuna finishes flowering in 8-9 weeks. Outdoor growers in southern Canada often harvest in mid-October.
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Expected Yield:
Yields are medium to high with proper training. Indoor setups in BC and Ontario report around 400 to 500 g per square metre.
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Plant Height:
Plants stay medium height, 80 to 140 cm. This size suits your tent or backyard.
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Growing Environment:
Black Tuna grows well both indoors and outdoors. In Quebec outdoor plants require a long summer to finish.
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Expected Effects:
Expect heavy relaxation and calm body effects. Many Canadian consumers favour Black Tuna for evening use.
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Genetic Lineage:
Black Tuna traces to a tight, indica lineage. Genetics read Black Tuna x Black Tuna in seed listings.
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Seed Type:
These seeds are sold as feminized for predictable female growth. MasterSeeds lists them for Canadian growers and home gardens.
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Preferred Climate:
Best climate ranges from coastal BC to continental Ontario. Prairie regions require a sheltered site for outdoor grows.
Frequently Ask Questions
Everything you need to know about this strain.
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Questions & Answers
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Q: My plants show slow growth. What should I check?
A: Check root zone pH and drainage. Adjust feeding schedule and increase light intensity if needed.
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Q: How do I prevent mould on dense buds?
A: Raise airflow and lower humidity during late flower. Thin inner foliage and use a dehumidifier when required.
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Q: What light schedule should I use for flowering?
A: Switch to a 12/12 light cycle for photoperiod plants. Keep the dark period fully uninterrupted.
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Q: When should I flush before harvest?
A: Flush one to two weeks before harvest for cleaner flavour. Stop fertilisers and use plain water during flush.
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Q: How do I increase resin production?
A: Use a late flowering PK booster and maintain stable temperatures. Avoid nutrient overload and stress plants gently.
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