Grapefruit - Positronics
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Grapefruit Positronics

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We continue to incorporate the best varieties of marijuana in the world to our catalog and in this case it is the turn of Grapefruit, one of the most renowned creations of the repertoire of one of the world's largest seed banks, Positronics.

In his birth very used and tested classic genetics are involved, which are form the Northern Lights, a Skunk and an Afghani, with which has been achieved a strain that does not like anything at all moisture, or powdery mildew, so that we will have to take action on the matter. 


What is Grapefruit like? 

Morphologically the Grapefruit by Positronics is a hybrid with a clearly indica dominance, which grows strong and with the characteristic structure of this type of plants. An abetal shape and an average internodal distance, together with a robustness in the branches that perfectly support the weight of its production.  


How does Grapefruit taste like?

A puff of Grapefruit is a journey between a wide range of sensations, combining fruity touches with hot and spicy touches. An authentic madness! 


What are the effects of Grapefruit? 

Grapefruit has a very sativa effect, which is active on a mental level and very cheerful. Perfect to meet friends and go for a drink, or enjoy a live monologue. 


How can I cultivate Grapefruit? 

In indoor crops, it is very important that you maintain good ventilation, as it is prone to be attacked by powdery mildew. You should keep the extractor connected whenever the bulb is plugged in. In the dark period, in the growth phase, set it to light 15 minutes every hour and in flowering it rises to 30 minutes per hour. To get your maximum production level put it in 7 liter pots under a LEC 315w bulb. 

In outdoor crops, is necessary to use Botryprot to combat powdery mildew and, of course, if you live in a high humidity area you will have to grow in a greenhouse, because you only like dry climates.

The substrate is something vital for the success of the crop. I like light substrates a lot, like Light Mix by Bio Bizz, because that way I can control the fertilizers to add. I really like Radical Roots and Top Veg growing, while in bloom the best is Big One by Top Crop


How many grams does Grapefruit produce? 

In indoor crops the productivity is very good, given the so short time of flowering that it has, cutting between 350-450 grams per m2, and in crops under sunlight, if the conditions are right and keep the powdery mildew at bay, they wait for you up to 400 grams per plant. 

Buy at the best price Grapefruit by Positronics in PEV Grow, your trusted online growshop.

Data sheet and characteristics

Type Type
  • Feminized
Banks Banks
  • Positronics
Genetics Genetics
  • Afghani
  • Northern Lights x Skunk x Afghani
  • Skunk
Phenotype Phenotype
  • Sativa
Harvest outdoor H.N Harvest outdoor H.N
  • Late September
Harvest outdoor H.S Harvest outdoor H.S
  • Late March
Outdoor production Outdoor production
  • 300-400 gr / plant
Indoor height Indoor height
  • 50-100 cm
Outdoor height Outdoor height
  • 200-250 cm
Indoor flowering period Indoor flowering period
  • 60 days
Weather Weather
  • Sunny / Mediterranean
  • Temperate / continental
  • 18%
  • 0.5%
Flavor and aroma Flavor and aroma
  • Fruity
  • Spicy

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