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Critical Mass Collective Seeds

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. At Discreet Seeds we have a premier selection of Critical Mass Collective Seeds, offering a selection of the biggest, baddest Mass hybrids of modern times! Discreet Seeds deliver Critical Mass Collective Seeds worldwide, very discreetly and we offer free seeds with every order. If you cannot find what you are looking for please contact us, we don't bite!

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Cannabis Seeds from Critical Mass Collective Seeds

Alien Masster Kush (Critical Mass Collective Seeds)

Seedbank: Critical Mass Collective Seeds

SMELL: 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. A very exciting plant to grow when..

  • In Stock
  • Feminised Seeds

    Auto Blutonium Mass (Critical Mass Collective Seeds)

    Seedbank: Critical Mass Collective Seeds

    SMELL: Wild Blueberries, flora and fruit are all here just like the photoperiod version.. the Nuken adds a sweet, nutty, marshmellow element that is very complimentary and almost softens the aroma. It is almost an ice cream sweetness over tart..

    • In Stock
    • Feminised Seeds
    • Autoflowering Seeds

      Auto Massassin (Critical Mass Collective Seeds)

      Seedbank: Critical Mass Collective Seeds

      This plant is extremely vigorous when it enters its flowering phase, forming humongous, tightly-compacted and extremely greasy and resinous buds. It exhibits explosive rooting behaviour and only the healthiest looking specimens with sharp leaves..

      • In Stock
      • Feminised Seeds
      • Autoflowering Seeds

        Auto Masszar (Critical Mass Collective Seeds)

        Seedbank: Critical Mass Collective Seeds

        Monster Mass x Mazar x Big Bud Auto Growth Behaviour: A compact, super dank Afghani hybrid with dark green narrow leaves and strong, fragrant flowers. This plant remains super low and bushy with a huge, thick stem and tight internodes making..

        • In Stock
        • Feminised Seeds
        • Autoflowering Seeds

          Auto Mendo Mass (Critical Mass Collective Seeds)

          Seedbank: Critical Mass Collective Seeds

          A large plant that produces chunky, resinous, deep purple buds. It displays numerous nodal sites along its branches that retain a short distance between each other...packing out the finished strain with the obnoxiously heavy, grape and black..

          • In Stock
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            Auto Monolith Mass (Critical Mass Collective Seeds)

            Seedbank: Critical Mass Collective Seeds

            SMELL: 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 pungent, earthy aromas as the photoperiod. Slightly fruity with a deep..

            • In Stock
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            • Autoflowering Seeds

              Auto Monster Breath (Critical Mass Collective Seeds)

              Seedbank: Critical Mass Collective Seeds

              SMELL: 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 don't sound pretty but, its sure fire classic skunk/cheese..

              • In Stock
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              • Autoflowering Seeds

                Auto Monster Mass (Critical Mass Collective Seeds)

                Seedbank: Critical Mass Collective Seeds

                The long awaited Autoflowering version of Critical Mass Collective's flagship strain Monster Mass. As with all Critical Mass Collective strains (both photoperiod and Autoflowering) it is adaptive to its surroundings and will thrive both..

                • In Stock
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                  Auto Purple Dawg Mass (Critical Mass Collective Seeds)

                  Seedbank: Critical Mass Collective Seeds

                  The Auto version of Critical Mass Collective's 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..

                  • In Stock
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                  • Autoflowering Seeds

                    Auto Purple Dawg Mints (Critical Mass Collective Seeds)

                    Seedbank: Critical Mass Collective Seeds

                    CMC's original Purple Dawg was the result of their beloved mother strain Monster Mass, a sweet, musky Lavender and a fuel focused Purple Chemdawg. This monster yielding, ultra vigorous hybrid has since become one of CMC's biggest sellers..

                    • In Stock
                    • Feminised Seeds
                    • Autoflowering Seeds

                      Auto Purple Gorilla Dawg (Critical Mass Collective Seeds)

                      Seedbank: Critical Mass Collective Seeds

                      Critical Mass Collectives original Purple Dawg was the result of their beloved mother strain Monster Mass, a sweet, musky Lavender and a fuel focused Purple Chemdawg. This monster yielding, ultra vigorous hybrid has since become one of their..

                      • In Stock
                      • Feminised Seeds
                      • Autoflowering Seeds

                        Auto Purple Skunk Mass (Critical Mass Collective Seeds)

                        Seedbank: Critical Mass Collective Seeds

                        This beautiful, connoisseur quality strain incorporates superior Big Bud Auto genetics with the mighty Monster Mass and a musky and sweet Lavender. As with the photoperiod version (one of Critical Mass Collective's top selling hybrids)..

                        • In Stock
                        • Feminised Seeds
                        • Autoflowering Seeds

                          Auto Sour Melon Mass (Critical Mass Collective Seeds)

                          Seedbank: Critical Mass Collective Seeds

                          A very large Autoflowering hybrid bringing together the beloved Monster Mass, an exotic and powerfully sour Sensi Star and CMC's Big Bud Auto...all superior yielders and a genetic force to be reckoned with. Commonly a dense central cola..

                          • In Stock
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                          • Autoflowering Seeds

                            Auto Super Mutant Mass (Critical Mass Collective Seeds)

                            Seedbank: Critical Mass Collective Seeds

                            SMELL: 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 Stock
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                            • Autoflowering Seeds

                              Blutonium Mass Feminised (Critical Mass Collective Seeds)

                              Seedbank: Critical Mass Collective Seeds

                              A strain of Nuclear proportion and power! CMC's mighty Monster Mass gets a Blueberry fuel injection. Forged from their signature Monster Mass, crossed with a combination of the infamous Blueberry and the Original Canadian Nuken. The aroma..

                              • In Stock
                              • Feminised Seeds

                                Cali Mango Mass (Critical Mass Collective Seeds)

                                Seedbank: Critical Mass Collective Seeds

                                SMELL: Behind the initial dank fruity nose that this plant is known for is an ammonia/gas or onion smell which is prevalent mid veg..this slowly fades into the deep candied mango/fresh orange as she matures. In full flower her heady perfumed..

                                • In Stock
                                • Feminised Seeds

                                  Megaton Mass Feminised (Critical Mass Collective Seeds)

                                  Seedbank: Critical Mass Collective Seeds

                                  The  Megaton is essentially the same strain as Critical Mass Collectives Monster Mass in both smell and taste, just ultra fast! This strain is well known for its spectacular aroma of fruit and pungent skunk, overwhelming and powerful...

                                  • In Stock
                                  • Feminised Seeds

                                    Monolith Mass Feminised (Critical Mass Collective Seeds)

                                    Seedbank: Critical Mass Collective Seeds

                                    The aroma of Monolith Mass is 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 harvest which only intensifies after..

                                    • In Stock
                                    • Feminised Seeds

                                      Monster Mass (Critical Mass Collective Seeds)

                                      Seedbank: Critical Mass Collective Seeds

                                      Monster Mass is the perfect strain for both outdoor and indoor cultivation due to its explosively fast flowering and hardiness. Outdoor is recommended as it grows much taller and with more branching. Critical Lee recommends the practice of..

                                      • In Stock
                                      • Feminised Seeds

                                        Moonshine Mass (Critical Mass Collective Seeds)

                                        Seedbank: Critical Mass Collective Seeds

                                        A beautiful, specially selected Old School Haze provides the background for this Critical Mass hybrid. Typically Sativa, it grows tall, finishing at around 2-3 meters in perfect conditions, and was chosen for its mountainous, Christmas-tree..

                                        • In Stock
                                        • Feminised Seeds

                                          Psychotropic Mass (Critical Mass Collective Seeds)

                                          Seedbank: Critical Mass Collective Seeds

                                          Indoor Psychotropic Mass will require a proper supplementation of nutrients for its maximum production and expression of medicinal capabilities. Outdoor, good specimens will require supports for stability and maximum sun exposure for optimal..

                                          • In Stock
                                          • Feminised Seeds

                                            Purple Dawg Mass (Critical Mass Collective Seeds)

                                            Seedbank: Critical Mass Collective Seeds

                                            The monster yielding, chemy cousin of CMC Purple Skunk Mass is here! Using their Monster Mass and the musky, sweet Lavender specimen that made up their original Skunk version of this strain, CMC swapped out the Afghan line and used the full..

                                            • In Stock
                                            • Feminised Seeds

                                              Super Mutant Mass (Critical Mass Collective Seeds)

                                              Seedbank: Critical Mass Collective Seeds

                                              The unique Shiva Skunk phenotype present in this strain displays a trait that ensures the plants greasy calyxes swelled way above any other skunk used in the CMC trials and the greasiness of each calyx has also been maximised. This, combined..

                                              • In Stock
                                              • Feminised Seeds

                                                Purple Skunk Mass (Critical Mass Collective Seeds)

                                                Seedbank: Critical Mass Collective Seeds

                                                80% of phenotypes are tall and slender with a typical Sativa growth pattern, producing superbly accelerated Monster Mass production with 20% slightly slower to flower, shorter and with the purple coloration but still maintaining the notably..

                                                • In Stock
                                                • Feminised Seeds

                                                  Purple Dawg Punch (Critical Mass Collective Seeds)

                                                  Seedbank: Critical Mass Collective Seeds

                                                  Critical Mass Collectives original Purple Dawg was the result of their beloved mother strain Monster Mass, a sweet, musky Lavender and a fuel focused Purple Chemdawg. This monster yielding, ultra vigorous hybrid has since become one of their..

                                                  • In Stock
                                                  • Feminised Seeds

                                                    Purple Star Dawg (Critical Mass Collective Seeds)

                                                    Seedbank: Critical Mass Collective Seeds

                                                    Critical Mass Collectives original Purple Dawg was the result of their beloved mother strain Monster Mass, a sweet, musky Lavender and a fuel focused Purple Chemdawg. This monster yielding, ultra vigorous hybrid has since become one of their..

                                                    • In Stock
                                                    • Feminised Seeds
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                                                      Page updated on 10/02/2025