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Critical Mass is a THC clone with 80% Indica and 20% Sativa, along with a potent 27% THC. This strain from Guardians of Genetics is known for its very dense flowers, high yields, and short flowering time. That makes it especially appealing to growers looking for strong Indica genetics with solid growth performance.
The effect of Critical Mass is distinctly body-focused and deeply relaxing. Thanks to its high THC content of 27%, the effect usually sets in quickly and lingers for a long time. At the same time, its character remains typically indica-dominant and calm.
This strain is well suited to experienced users who prefer intense effects. However, beginners in cultivation can also work with it, as it generally grows robustly. Still, newcomers should assess its strong effect realistically.
Critical Mass delivers a classic old-school profile. The aroma comes across as sweet, spicy, and skunky, while earthy and woody notes round out the overall impression. In addition, a subtle citrus accent often appears in the background.
On the palate, the strain recalls a blend of honey, smoke, and spicy earth. The Skunk side brings intensity to the aroma, while the Afghan-influenced genetics add more depth and warmth. The result is a full, distinctive flavor.
In the grow room, Critical Mass shows vigorous, easily manageable growth. Indoors, it stays compact at 70 to 100 cm, while outdoors it can reach 180 to 250 cm. The flowering time is 8 weeks, which also makes it attractive for fast runs. Outdoors, harvest usually falls in September.
In terms of yield, this strain delivers strong results. Indoors, up to 650 g are possible; outdoors, up to 980 g. However, the heavy flowers often need support. That is why stakes or nets help stabilize the branches. At the same time, humidity should remain low in late flowering so the dense buds can mature properly.
If you want to learn more about caring for young plants, our guide will help: How to Successfully Grow Cannabis Clones – the Guide from Arrival to Harvest.
Critical Mass stands out with its strong Indica effect, short flowering time, and high yield. It is also easy to manage, provided air circulation and support are properly handled during late flowering.
Effect: Deeply relaxing, physically heavy, and clearly geared toward the evening.
Aroma: Sweetly spicy Skunk scent with earthy, woody, and slightly citrusy notes.