
- Resin-rich hybrid built for LED grows in Britain
Mac Rib
Mac Rib is a resin-heavy hybrid with bright citrus notes and reliable performance under LED setups in the UK.
- Dense, resinous colas under LEDs
- Zesty citrus top notes with diesel depth
- Balanced high for day or early evening use
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22-26% |
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0.5-1% |
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MAC x Chemdawg |
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Hybrid |
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Intermediate |
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8-10 weeks |
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Medium (0.8-1.5 m) |
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Medium-high |
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Citrus, Earthy, Diesel |
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Feminised |
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Variable British weather |
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Uplifting, Focused, Relaxed |
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Indoor / Outdoor |
About Mac Rib
Mac Rib is a resinous hybrid bred from MAC x Chemdawg that offers a clear-headed uplift followed by gentle body relaxation. It performs well in controlled indoor environments and can mature outdoors with careful site selection; the variety responds positively to LED lighting, topping and SCROG techniques, producing medium-high yields of dense, citrus-diesel buds that cure to a smooth, potent smoke.
Mac Rib is a balanced hybrid with a slight sativa lean that favours clarity and energy. It combines cerebral lift with a calming physical finish for broad usability.
THC typically ranges from twenty-two to twenty-six per cent, placing it in the upper-mid potency band. This level delivers noticeable effects for experienced users while remaining controllable for those who dose carefully.
CBD is low, usually under one per cent, so it isn't a primary CBD therapy option. Patients seeking higher CBD should consider pairing Mac Rib with a dedicated high-CBD cultivar.
Mac Rib derives from MAC x Chemdawg, combining MAC's resinous production with Chemdawg's pungent fuel character. The cross emphasises trichome density and a rounded cannabinoid profile.
Seeds are most commonly sold feminised to ensure consistent female crops. Some breeders may offer autoflower variants, but feminised remains the standard choice.
Growing Mac Rib under variable British weather requires regular attention to humidity swings. Indoors, this strain is intermediate in difficulty and benefits from steady ventilation and pest checks.
Flowering takes around eight to ten weeks under good conditions. Trichome production ramps up in the final fortnight for a resinous finish.
Yield is medium to high when plants enjoy stable light cycles and tailored nutrition. Indoor growers can produce dense colas while outdoor results depend on season and site conditions in Durham.
Plants reach a medium height with a dominant central cola and well-spaced side branches. With topping and training they stay manageable and respond well to SCROG.
Indoors Mac Rib responds particularly well to LED setups with controlled canopy management in Durham grow spaces. Outdoors it prefers a sheltered, sunny site and will need protection from wind and heavy rain common to the area.
Growing Mac Rib in Durham means planning for cool spells and sudden showers that typify variable British weather. Good drainage, wind protection and microclimate management in Durham gardens improve reliability and final yields.
Effects begin with a clear, uplifted headspace that promotes focus and sociability. Over time a gentle body ease develops without dragging users into deep sedation.
The flavour profile mixes bright citrus top notes with earthy, oily diesel undertones. A lingering zesty aftertaste often remains on the exhale.
Frequently Asked Questions
Common questions about this strain, covering growth, effects, and suitability for UK conditions.
High-quality LED fixtures with a full spectrum are ideal; run them at moderate intensity during veg and slightly higher during flower to encourage resin and compact buds.
Keep humidity around 40-50% during flowering and a little higher in veg; use dehumidifiers or increased ventilation to prevent mould in denser colas.
Yes, with topping and SCROG you can control height and maximize canopy; it adapts well to limited spaces if you manage nodes and light penetration.
Begin bloom nutrients at the switch to 12/12 or when you see flower sites forming, and reduce nitrogen while increasing phosphorus and potassium.
Routine prevention like sticky traps, neem oil in veg, and a clean environment suffice; keep an eye for spider mites under LEDs which can flare in dry, warm tents.
Yes, it responds well to organic soils and compost teas which enhance flavour and terpene expression, though yields may vary compared with synthetic feeds.
Topping, low-stress training and SCROG are effective to create an even canopy and boost usable bud sites without excessive height.
A one to two week flush is common to clear excess nutrients; monitor trichomes and aroma to time harvest precisely.
Dry slowly at 16-20°C and 45-55% RH, then cure in glass jars, burping daily for the first week to develop smooth flavour and preserve terpenes.
It performs very well under modern LED rigs, showing dense bud structure, strong resin production and efficient energy use when light cycles and spectrum are tuned to its needs.
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