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Who are Critical Mass Collective?

Critical Mass Collective were born from the creation of Monster Mass in 2002 by a young man in Arizona. The focus was on monster Yields in short productive flowering times with powerful effects and so Monster Mass became the base strain of every cross in the Critical Mass Collectives breeding program.

Critical Mass Collective Strains

Critical Mass Collective use Monster Mass in all its breeding programs with the aim in perfecting high yielding cannabis strains with a variety of different positive atributes. They currently have around 10 Cannabis Strains for Sale and they have adopted a simple souvenir pack which protects the seeds from damage in a plastic vial stock with glue onto a business card. 

Critical Mass Collective Review

In our opinion Critical Mass Collective are a very good cannabis breeder with good reliability. They provide high yielding Marijuana genetics with lots of variety and prices are slightly cheaper than others at around £4-6 per Seed.  Because Critical Mass Collective sell well on our website and we don’t get any complaints we rate them 8/10. The reason Critical Mass Collective get a slightly higher score than some others is because of the quality and low price.

Critical Mass Collective Guarantee

At Just Feminized we can guarantee that your pack of Critical Mass Collective Seeds is less than 2 years old. We know this because we date every single pack of seeds that arrive into our office. We can also Guarantee that your seeds have been stored in the most professional conditions possible in our fridge. We can also guarantee that every pack of Critical Mass Collective Cannabis Seeds will come in the original Breeders packaging. The only thing we can't guarantee is the germination or growing of the plants as marijuana seeds are sold as souvenirs in the UK. If you have issues with specific products we would recommend approaching the breeder directly as individual breeders may assist your needs.
  

Critical Mass Collective Auto Massassin Female 10 Seeds Cannabis Seeds
  • Mass x AK47 x CMC Big Bud Auto
  • Medium High Yielding Strain
  • 55 Days Flowering Time
  • 100% Feminized Female Seeds
£51.75
More info
Critical Mass Collective Auto Massassin Feminised 5 Seeds Marijuana Seeds
  • Monster Mass x AK47 x CMC Big Bud Auto
  • Height: 75-100 cm
  • Flowering Time: 55 Days
  • Yield: 450 gr/m²
£31.95
More info
Critical Mass Collective Auto Masszar Female 10 Seeds Cannabis Seeds
  • Genetics: Monster Mass x Mazar x CMC Big Bud Auto
  • Flowering Time: 65-70 Days
  • Yield: Indoors 550 gr/pp, Outdoors 80-150 gr/pp
  • Taste: Deeply Hashy, Sweet Vanilla, Hints Of Orange
£51.75
More info
Critical Mass Collective Auto Masszar Feminised 5 Seeds Marijuana Seeds
  • Monster Mass x Mazar x CMC Big Bud
  • 65 Days Flowering Time
  • Medium Cannabis Plant Height
  • Original Breeders Packaging
£31.95
More info
Critical Mass Collective Auto Mendo Mass Female 10 Marijuana Seeds
  • Monster Mass x Mendocino Purps x CMC Big Bud Auto
  • Indoor yield: Approx 550g/m²
  • Seed to flower: Approx 70-80 days
  • Height: Approx 60-120cm
£51.60
More info
Critical Mass Collective Auto Mendo Mass Feminised 5 Cannabis Seeds
  • Monster Mass x Mendocino Purps x CMC Big Bud Auto
  • Indoor yield: Approx 550g/m²
  • Seed to flower: Approx 70-80 days
  • Height: Approx 60-120cm
£32.30
More info
Critical Mass Collective Auto Monster Mass Female 10 Marijuana Seeds
  • Monster Mass x CMC Big Bud Auto
  • Indoor yield: Approx 800g/m²
  • Seed to flower: Approx 70-80 days
  • Height: Approx 60-140cm
£51.60
More info
Critical Mass Collective Auto Monster Mass Feminised 5 Cannabis Seeds
  • Monster Mass x CMC Big Bud Auto
  • Indoor yield: Approx 800g/m²
  • Seed to flower: Approx 70-80 days
  • Height: Approx 60-140cm
£32.30
More info
Critical Mass Collective Auto Purple Dawg Mass Female 10 Marijuana Seeds
  • Monster Mass x Lavender x Purple Chemdawg x CMC Big Bud Auto
  • Approx 130-180g/per plant
  • Seed to ?ower: Approx 70-75 days
  • Height: Approx 0.80m-1.2m
£51.60
More info
Critical Mass Collective Auto Purple Dawg Mass Feminised 5 Cannabis Seeds
  • Monster Mass x Lavender x Purple Chemdawg x CMC Big Bud Auto
  • Approx 130-180g/per plant
  • Seed to ?ower: Approx 70-75 days
  • Height: Approx 0.80m-1.2m
£32.30
More info
Critical Mass Collective Auto Purple Skunk Mass Female 10 Marijuana Seeds
  • Monster Mass x Lavender x Afghani x CMC Big Bud Auto
  • Indica Dominant Flowering Time 50-60 Days
  • Indoors 600 gr/m², Outdoors 100-140 gr/pp
  • Height 60-120cm 18% THC
£51.60
More info
Critical Mass Collective Auto Purple Skunk Mass Feminised 5 Cannabis Seeds
  • Monster Mass x Lavender x Afghani x CMC Big Bud Auto
  • Indica Dominant Flowering Time 50-60 Days
  • Indoors 600 gr/m², Outdoors 100-140 gr/pp
  • Height 60-120cm 18% THC
£32.30
More info
Critical Mass Collective Auto Sour Mellon Mass Fem 5 Seeds
  • Monster Mass x Sensi Star x CMC Big Bud Auto
  • Indoor yield: Approx 670g/m²
  • Seed to flower: Approx 70-80 days
  • Height: Approx 0.60m-1.3m THC: 20%
£32.30
More info
Critical Mass Collective Auto Sour Mellon Mass Female 10 Marijuana Seeds
  • Monster Mass x Sensi Star x CMC Big Bud Auto
  • Indoor yield: Approx 670g/m²
  • Seed to flower: Approx 70-80 days
  • Height: Approx 0.60m-1.3m THC: 20%
£51.60
More info
Critical Mass Collective Monster Mass Female 10 Seeds Cannabis Seeds
  • Genetics: Select Critical Mass x Select Critical +
  • Flowering Time: 45-50 Days
  • THC: 18-20% Intensely Fruity And Sweet
  • Yield: Indoors 700-800 gr/m², Outdoors 900+ gr/pp
£51.75
More info
Critical Mass Collective Monster Mass Feminised 5 Seeds Marijuana Seeds
  • Critical Mass x Select Critical +
  • Medium High Yielding Strain
  • Flowering Time Approx 55 days
  • 100% Feminized Female Seeds
£31.95
More info
Critical Mass Collective Moonshine Mass Female 10 Marijuana Seeds
  • Monster Mass x Old School Haze
  • Sativa Dominant Flowering Time 60-65 Days
  • Indoors 600 gr/m², Outdoors 750 gr/pp
  • Gin, Citrus, Hazey Pine Undertone
£51.60
More info
Critical Mass Collective Moonshine Mass Feminised 5 Cannabis Seeds
  • Monster Mass x Old School Haze
  • Sativa Dominant Flowering Time 60-65 Days
  • Indoors 600 gr/m², Outdoors 750 gr/pp
  • Gin, Citrus, Hazey Pine Undertone
£32.30
More info
Critical Mass Collective Psychotropic Mass Female 10 Seeds Cannabis Seeds
  • Genetics: Monster Mass x Cannatonic X
  • Yield: Indoors 550 gr/m², Outdoors 650 gr/pp
  • THC: 6.4% CBD: 6.4%
  • Taste: Tangy, Fruity, Caramel, Rich Honey
£51.75
More info
Critical Mass Collective Psychotropic Mass Feminised 5 Seeds Marijuana Seeds
  • THC: 6.4% CBD: 6.4%
  • High in Medicinal Values
  • Indoors 550 gr/m², Outdoors 650 gr/pp
  • Flowering Time: 55 Days
£31.95
More info
Critical Mass Collective Purple Dawg Mass Female 10 Marijuana Seeds
  • Monster Mass x Lavender x Purple Chemdawg
  • Approx 130-180g/per plant
  • Seed to ?ower: Approx 70-75 days
  • Height: Approx 0.80m-1.2m
£51.60
More info
Critical Mass Collective Purple Dawg Mass Feminised 5 Cannabis Seeds
  • Monster Mass x Lavender x Purple Chemdawg
  • Approx 130-180g/per plant
  • Seed to ?ower: Approx 70-75 days
  • Height: Approx 0.80m-1.2m
£32.30
More info
Critical Mass Collective Purple Skunk Mass Female 10 Seeds Cannabis Seeds
  • Genetics: Monster Mass x Lavender x Afghani Skunk
  • Flowering Time: 55-60 Days
  • Yield: Indoors 600-700 gr/m², Outdoors 850 gr/pp
  • THC: 20-22% Hash Flavour With Citrus Hints
£51.75
More info
Critical Mass Collective Purple Skunk Mass Feminised 5 Seeds Marijuana Seeds
  • Monster Mass Lavender Afghani
  • 8-9 Weeks Flowering Time
  • Medium High Strength Cannabis Strain
  • Official Dealer for this Breeder!
£31.95
More info
Critical Mass Collective Super Mutant Mass Female 10 Marijuana Seeds
  • Monster Mass x Shiva Skunk (Mutant Pheno)
  • Flowering Time 60 Days End September
  • Indoors 700 gr/m², Outdoors 900 gr/pp
  • Skunky, Wood, Lemon, Mango, Spice
£51.60
More info
Critical Mass Collective Super Mutant Mass Feminised 5 Cannabis Seeds
  • Monster Mass x Shiva Skunk (Mutant Pheno)
  • Flowering Time 60 Days End September
  • Indoors 700 gr/m², Outdoors 900 gr/pp
  • Skunky, Wood, Lemon, Mango, Spice
£32.30
More info

Cannabis seeds are sold strictly as collectible adult souvenirs or to preserve cannabis genetics for future use if the law changes. Justfeminized.com can accept no liability for improper or unlawful uses of our products. Unfortunately we cannot guarantee marijuana seed germination rates of any of our products as growing marijuana is illegal in most countries.
Information on our site is for research purposes only and not intended for promoting illegal activity!
Please check your countries local cannabis seed laws before making a purchase if you live in a country where marijuana seeds are illegal.
credit cards accepted securely for headshop cannabis seeds purchases
We accept credit card payments up to £200 and process payments though our 128 bit standard encrypted secure server. Credit cards are only held on our system for a limited time to protect your details. For payments above £200 or as an alternative way to pay we accept bank deposits, cash, UK postal orders or you can use Western Union.
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We can send your seeds in a DVD or inside a ball point pen if you require. Just let us know your requirements during checkout with our simple to add stealth delivery options available free of charge.


(Major Dutch, Canadian, English and Spanish Seed banks Available)
 

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