Critical Mass is a cannabis strain famed for its massive yields, huge power and vigorous growth and the Critical Mass Collective set about creating the very best reworked versions of Critical Mass the world has ever seen.
Using the revered Monster Mass strain within their breeding programs drove their efforts into pursuing the production of the ultimate Mass genetics all of which undergo the CMC's strict grading regime.
Critical Mass Collective have created a fantastic range of the biggest Mass hybrids.
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Auto Monster Mass Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Auto Monster Mass Feminised Cannabis Seeds | Critical Mass Collective Seeds Genetics: Monster Mass x CMC Big Bud Auto Sex: Feminised. Outdoor yield: Approx 200-300g/per plant Indoor yield: Approx 800g/m2 Seed to flower: Approx 70-80... Click here for more info |
from £5.94/seed |
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Alien Masster Kush Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Often described as "odd", the profile of this Alien leaning Monster is a complex nose of chemical cleaner, classic Kush, body-odour and sour berries which change and intensify throughout her life. Alien Masster Kush Feminised is a very... Click here for more info |
from £5.94/seed |
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Auto Blutonium Mass Feminised Seeds | Critical Mass Collective Seed Bank: Critical Mass Collective Critical Mass Collective Auto Blutonium Mass Feminised cannabis seeds produce an aroma of wild blueberries, flora and fruit just like the photoperiod version. The Nuken adds a sweet, nutty, marshmallow element that is very complimentary... Click here for more info |
from £5.94/seed |
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Auto Massassin Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Auto Massassin Feminised Cannabis Seeds | Critical Mass Collective Seeds Genetics: Monster Mass x AK47 x CMC Big Bud Auto Outdoor yield: Approx 70-100g/per plant Indoor yield: Approx 450g/m2 Seed to flower: Approx 55 days Height: Approx 0... Click here for more info |
from £5.94/seed |
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Auto Masszar Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Auto Masszar Feminised Cannabis Seeds | Critical Mass Collective Seeds Genetics: Monster Mass x Mazar x CMC Big Bud Auto Outdoor yield: Approx 80-150g/per plant Indoor yield: Approx 550g/m2 Seed to flower: Approx 65-70 days Height:... Click here for more info |
from £5.94/seed |
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Auto Mendo Mass Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Auto Mendo Mass Feminised Cannabis Seeds | Critical Mass Collective Seeds Genetics: Monster Mass x Mendocino Purps x CMC Big Bud Auto Sex: Feminised. Outdoor yield: Approx 100-170g/per plant Indoor yield: Approx 550g/m2 Seed to flower... Click here for more info |
from £5.94/seed |
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Auto Monolith Mass Feminised Seeds | Critical Mass Collective Seed Bank: Critical Mass Collective Critical Mass Collective Auto Monolith Mass Feminised cannabis seeds produce Old School Skunk and super strong hash, think 80's hippy trail nostalgia. CMC have created an Auto version of this classic Indica that exudes the same super... Click here for more info |
from £5.94/seed |
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Auto Monster Breath Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Auto Monster Breath Feminised has a loud, aggressive savoury quality to the nose on this beastly Auto, full on Skunk stench with hints of sour citrus and vomit mingled with earthy soil and wet dog. OK, it doesn’t sound pretty but, trust us... Click here for more info |
from £5.94/seed |
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Auto Purple Dawg Mass Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective The Auto version of Critical Mass Collectives Purple Dawg Mass holds all the stopping power of the photoperiod version, but it’s trich encrusted flowers are hard and ready for harvest in around 70 days from seed. The main trunk of Auto... Click here for more info |
from £5.94/seed |
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Auto Purple Dawg Mints Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Auto Purple Dawg Mints Feminised Cannabis Seeds | Critical Mass Collective Seeds. Our original Purple Dawg was the result of our beloved mother strain Monster Mass, a sweet, musky Lavender and a fuel focused Purple Chemdawg. This monster... Click here for more info |
from £5.85/seed |
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Auto Purple Gorilla Dawg Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Auto Purple Gorilla Dawg Feminised Cannabis Seeds | Critical Mass Collective Seeds. Our original Purple Dawg was the result of our beloved mother strain Monster Mass, a sweet, musky Lavender and a fuel focused Purple Chemdawg. This monster... Click here for more info |
from £5.85/seed |
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Auto Purple Skunk Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Auto Purple Skunk Feminised Cannabis Seeds | Critical Mass Collective Seeds Genetics: Monster Mass x Lavender x Afghani Skunk x CMC Big Bud Auto Sex: Feminized Indoor / Outdoor Yield: Approx 100-140g/per plant Seed to flower: Approx 50-60... Click here for more info |
from £5.94/seed |
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Auto Sour Melon Mass Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Auto Sour Melon Mass Feminised Cannabis Seeds | Critical Mass Collective Seeds Outdoor yield: Approx 100-180/per plant Indoor yield: Approx 670g/m2 Seed to flower: Approx 70-80 days Height: Approx 0.60m-1.3m Click here for more info |
from £5.94/seed |
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Auto Super Mutant Mass Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Super Sour Skunk and exotic wood make up the smell profile of this showstopping Auto, much like its photoperiod version but with more emphasis on the spice and Incense. Orange Peel, and a noxious burnt rubber smell is also prevalent in... Click here for more info |
from £5.94/seed |
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Blutonium Mass Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Critical Mass Collective Blutonium Mass Feminised cannabis seeds are a strain of nuclear proportion and power. Their mighty Monster Mass gets a Blueberry fuel injection. Forged from the signature Monster Mass, crossed with a combination of... Click here for more info |
from £5.94/seed |
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Cali Mango Mass Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Cali Mango Mass Feminised buds, when harvested and fully cured, retain a very greasy, resinous quality and are always stunningly aesthetic. Large, rock solid dusky green/light purple flowers are dusted with a shimmering frost and bound... Click here for more info |
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Megaton Mass Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Critical Mass Collective Megaton Mass Feminised cannabis seeds are essentially the same strain as their Monster Mass in both smell and taste, just ultra-fast! Megaton Mass Feminised is well known for its spectacular aroma of fruit and... Click here for more info |
from £5.94/seed |
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Monolith Mass Feminised Cannabis Seeds | Critical Mass Collective Seed Bank: Critical Mass Collective Critical Mass Collective Monolith Mass Feminised cannabis seeds produce Old School Skunk and super strong hash, think 80's hippy trail nostalgia. Super pungent, earthy, slightly fruity with a deep Incense perfume in both veg, flowering and... Click here for more info |
from £5.94/seed |
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Monster Mass Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Monster Mass Feminised is the perfect cannabis plant for both outdoor and indoor cultivation due to its explosively fast flowering and hardiness. Outdoor cultivation is recommended as it grows much taller and with more branching. The... Click here for more info |
from £5.94/seed |
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Moonshine Mass Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Moonshine Mass Feminised Cannabis Seeds| Critical Mass Collective Seeds Genetics: Monster Mass X Old School Haze Sex: Feminised Outdoor yield: Approx 750g/per plant Indoor yield: Approx 600g/m2 Outdoor flowering period: Early October.... Click here for more info |
from £5.94/seed |
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Psychotropic Mass Feminised Canabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Psychotropic Mass Feminised Canabis Seeds | Critical Mass Collective Seeds Genetics: Monster Mass x Cannatonic X Outdoor yield: Approx 650/per plant Indoor yield: Approx 550g/m2 Outdoor flowering period: Early October Indoor flowering... Click here for more info |
from £5.94/seed |
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Purple Dawg Mass Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Purple Dawg Feminised is the monster yielding, chemy cousin of Critical Mass Collectives Purple Skunk Mass. Using Monster Mass and the musky, sweet Lavender specimen that made up their original Skunk version of this strain, they swapped... Click here for more info |
from £5.94/seed |
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Purple Dawg Punch Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Purple Dawg Punch Feminised Cannabis Seeds | Critical Mass Collective Seeds. Our original Purple Dawg was the result of our beloved mother strain Monster Mass, a sweet, musky Lavender and a fuel focused Purple Chemdawg. This monster... Click here for more info |
from £5.85/seed |
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Purple Skunk Mass Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Purple Skunk Mass Feminised Cannabis Seeds | Critical Mass Collective Seeds Genetics: Monster Mass x Lavender x Afghani Skunk Outdoor yield: Approx 850g/per plant Indoor yield: Approx 600-700g/m2 Outdoor flowering period: Late September/... Click here for more info |
from £5.94/seed |
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Purple Star Dawg Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Purple Star Dawg Feminised Cannabis Seeds | Critical Mass Collective Seeds Our original Purple Dawg was the result of our beloved mother strain Monster Mass, a sweet, musky Lavender and a fuel focused Purple Chemdawg. This monster... Click here for more info |
from £5.85/seed |
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Super Mutant Mass Feminised Cannabis Seeds | Critical Mass Collective Seeds Seed Bank: Critical Mass Collective Super Mutant Mass Feminised Cannabis Seeds | Critical Mass Collective Seeds Super Mutant Mass Flowering Time = 60 Days Large Swollen Calyxes - Green with Pops of Turquoise & Amber Very Dense, Oily & Packed with Trichomes Early to... Click here for more info |
from £5.94/seed |
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