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Critical Mass Regular seeds by Mr Nice Seedbank revive a fantastic strain, highly valued in dispensaries all around the world over the past few decades. The blend of a Big Bud and an elite Skunk clone, results in a regular hybrid with a predominant Indica, which takes only 49 - 56 days for its flowering. This legendary strain is renowned for many reasons, including its fantastic sweet, citrus, and earthy taste, containing a THC percentage of 18%.

Being a regular strain, it is possible to yield both a male hemp plant as well as a female Cannabis plant.

Seeds per pack

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Type and Genetics

Critical Mass Regular Seeds by Mr Nice Seedbank are an improved version of the old Afghan cannabis strain known as Big Bud. To elevate its quality, breeders Shantibaba and Mr. Nice decided to crossbreed it with an elite clone Skunk, resulting in a regular hybrid with predominant indica that amazed the global cannabis community.

Being a regular strain, it allows for both male (hemp) and female (cannabis) plant production.


Critical Mass grows with a sativa structure and flowers like an indica, resulting in huge, rock-hard buds.

Aroma and Flavor

The Critical Mass Regular by Mr Nice Seedbank unravels its organoleptic profile, characterized by its silkiness, citrusy sparks, and its deep forest-floor-in-autumn depth.


The Critical Mass Regular from Mr Nice Seedbank has a 18% THC content. It provides intense, cheerful sensations, transitioning to a deeply relaxing experience towards the end.


A Critical Mass Regular from Mr Nice Seedbank guarantees an extraordinary yield, considered a commercial-grade plant for this reason.

  • Indoor growers can anticipate a yield between 650/750g/m2.
  • Outdoor plantations might render harvests around 500 - 600g/plant.

Indoor Flowering

For indoor cultivation, this strain only takes about 49 - 56 days to flower.

Outdoor Flowering

In medium latitudes of the northern hemisphere, it's ready for harvest by the end of September. In most southern hemisphere countries, harvest can be expected towards the end of March.

Sativa/Indica Percentage

Predominantly Indica.


  • THC 18%


  • Highlife BCN Cup 2008
  • Plant of the Year, Highlife BCN 2008
  • 1st and 2nd place Bio Cup Highlife BCN 2008
  • 2nd place Indoor, Revolta Verda X Girona Cup 2008
  • 2nd place 2008 XII Marijuana Cup, Madrid
  • 1st place Hydro Cup 2007 Highlife BCN
  • 2nd place Indoor, Revolta Verda IX Girona Cup 2007
  • 2nd place Outdoor, II Marijo Taxpalketa 2007
  • 2nd place Indoor Cantabria Cup IV Mountain Growers Cup 2006
  • 3rd place 2006 X Marijuana Cup, Madrid
  • 1st place Bio Cup 2004 Highlife BCN Cup

La Huerta's Opinion

Critical Mass by Mr Nice Seeds is an easy-to-grow, quick-growing plant with a monstrous yield.

It's recommended for all types of growers, especially indoor growers, tent growers and outdoor growers in warm climates.

Data sheet

Types of seeds
Regular seeds
Indica sativa percentage
More indica (relaxing)
Flowering time
Fast Flowering (45-55 days)
Strong effect
Citric flavour
Earthy flavour
Sweet/fruity flavour
Skunk - Critical strain
Other characteristics
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