Critical Mass Collective
Critical Power, Massive Strain Base, Genuine CMC Quality!
Founded by the one & only Critical Lee, the Critical Mass Collective is known for its top-quality Monster Mass hybrids. This breeder cuts no corners, producing each strain using organic, all-natural methods and ensuring fully refined genetics. Although the collection may be small, each strain stands out in terms of quality and reliability, with new releases added every season to keep things fresh and exciting.
Explore the Unique Line of Critical Mass Collective Seeds Today!
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Nothing Lost for Speed - 20% THC!With power & yield that compares well to her photoperiod mom, Auto Monster Mass is a savage beast with killer couchlock that'll hold you down for hours. Intense!
- Up to 800 gr/m2 Inside
- 70 to 80 Days from Seed
From £14.39 -
19% THC, 550 gr/m2, 70 Days or Less!A little Big Bud Auto is all it took to turn this Automatic Afghani into a potent bud factory with high yields, full flavours, filter-busting aromas and a <70 day finish from seed. Incredible!
- Strong, Happy Highs - A Potent Creeper
- Emerald Green with Flashes of Blue
From £13.19 -
Bright Purple Buds with 19% THC!This fully autoflowering strain is a real beauty with serious power & generous yields. You won't go without with Auto Mendo Mass - 550 gr/m2 in 80 days or less!
- Powerful Relaxant - Sedating
- Complex Flavours & Aromas
From £14.39 -
Plenty of Speed, Lots of Colour!Auto Purple Skunk Mass Seeds get the job done in just 60 days from the start with an amazing show of colour plus a whopping 18% THC. Yes, please!
- Hard-Hitting Indica
- Amazing Taste & Smell!
From £14.39 -
Candy-Like Flavour, 20% THC & 670 gr/m2!Oozing with the essence of sweet cantaloupe & honey-dew melon, CMC's Auto Sour Melon Mass is a real treat in every single way. Yields & potency are top rate!
- Short Nodes for Tons of Buds
- Deep Stone with an Anxiety-Free High
From £14.39 -
Savage Power with 800 gr/m2 Yields Inside!Monster Mass by Critical Mass Collective is not only strong, she's wicked fast too. This killer can deliver over-the-top yields as fast as 45 days after the switch to 12/12. Amazing!
- Recommended for Outdoors - 900+ gr/seed!
- Sweet Fruit Flavours & Aromas
From £14.39 -
Mind-Altering Sativa with 22% THC!This powerful Sativa is an intoxicating mix of Monster Mass and Old School Haze with soaring THC levels, astounding yields and a clear, daytime high that's guaranteed to keep your motor running.
- Up to 600 gr/m2 Inside with a 60-65 Day Finish
- Fat, Sticky Buds - Silvery Blue & Coated with Resin
From £14.39 -
Medical-Grade Weed & Plenty of It!Psychotropic Mass mixes the legendary Cannatonic with Monster Mass for high CBD levels & even higher yields. The flavour is a tempting mix of citrus, caramel & honey!
- Sativa-Dominant with Lots of Branching
- Tight & Dense with Plenty of Sparkle
From £14.39 -
Hoarders Take Note - 850 gr/seed!For a real drought-buster, go with Purple Skunk Mass. This 100% feminized seed pumps out up to 850 gr/seed and still reaches 22% THC with full-bodied flavours & aromas. She's a real beauty, too!
- Sticky & Pungent Straight Through the Cure
- Euphoric & Up, Slightly Racy & Very Motivating
Out of stock -
Solid Power, Astronomical Yields!With X-Men-like precision, Super Mutant Mass exceeds all expectations with 20% THC & up to 900 gr/seed in yield. She's a trouble-free powerhouse that you can't pass up!
- Oily & Bursting with Resin
- Positive, Uplifting, Clear Headed
From £14.39 -
A Candied-Lemon Killer with 20% THC!
Auto Massassin only needs 55 days from seed to accomplish her final objective, and the results will blow you away: 20% THC and 450 gr/m2 of big, fat, greasy buds!
- Very Stable & Easy - Beginner Friendly
- A Trainable AutoFem - Bend & Crimp
Out of stock