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If you're looking for maximum yields and maximum potency in an autoflowering strain then look no further. Fast was the first hurdle for Heavyweight, taking a sturdy white dwarf and crossing it with an auto skunk that would reach its full potential in 7 careful weeks, and then the Vast came when further crossing with a powerful Afghani auto. Great care has been taken to ensure that the high yields are not at the expense of quality, the long thick buds covered in sparkling crystals produce a high quality soft and sweet smoke with spicy undertones. The effect is very fast and knock out, leading to a long relaxed stone. 

Don't expect Fast and Vast to perform like any ordinary auto, for this is no ordinary auto, it's a Heavyweight Auto!

Fast & VastFast & VastFast & Vast
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GenderFeminised
Genes0% Indica / 100% Sativa
GeneticsAfghani x Skunk x White Dwarf
Harvest600 - 800 g/m²
Flowering56 days
THC17 - 19%
CBD0.8%
Room TypeIndoor
Room TypeOutdoor
Room TypeGreenhouse

Popular Diaries Show All Diaries

2nd grow
9 weeks
2nd growZkittles
+2 strains
6 years ago · 3 comments
Heavyweight Seeds Fast & Vast Auto
7 weeks
Heavyweight Seeds Fast & Vast AutoGreenswansea
Heavyweight Seeds - Fast & Vast
5 years ago
Heavyweight fast & vast
10 weeks
Heavyweight fast & vastCarpe_Diem
Heavyweight Seeds - Fast & Vast
6 years ago · 17 comments
Fast N Vast Auto- 2nd grow
11 weeks
Fast N Vast Auto- 2nd growthahawk52
Heavyweight Seeds - Fast & Vast
6 years ago
Heavyweight Fast & Vast By GanjaFarmar
13 weeks
Heavyweight Fast & Vast By GanjaFarmarGanjaFarmar
Heavyweight Seeds - Fast & Vast
5 years ago · 7 comments
The Green Chronicles
7 weeks
The Green ChroniclesJammyMummy
Heavyweight Seeds - Fast & Vast
3 years ago · 8 comments
Fastgrow777
6 weeks
Fastgrow777Fastgrow777
Heavyweight Seeds - Fast & Vast
5 years ago
Last round KO
12 weeks
Last round KOPharmaZ
Heavyweight Seeds - Fast & Vast
6 years ago · 28 comments
3xFast&Vast Auto
12 weeks
3xFast&Vast AutoMimi_the_dog
Heavyweight Seeds - Fast & Vast
5 years ago · 28 comments

Statistics

68g/plant
158 gAvg. Dry Weight
791 gHarvest Weight
5Harvests

Tastes & Effects

Flowery
2 growers
Woody
2 growers
Herbs
2 growers
Earthy
1 grower
Diesel
1 grower
Happy
3 growers
Dry mouth
3 growers
Relaxed
3 growers
Dry eyes
2 growers
Euphoric
1 grower

Family Tree

Fast & Vast
White Dwarf
Indica
Ruderalis
Skunk
Skunk #1
Afghanistan - Indica
Indica
Mexico - Sativa
Sativa
Colombia - Sativa
Sativa
Ruderalis
Afghani
Afghanistan - Indica
Indica

New Diaries Show All Diaries

The Green Chronicles
7 weeks
The Green ChroniclesJammyMummy
Heavyweight Seeds - Fast & Vast
3 years ago · 8 comments
Fastgrow777
6 weeks
Fastgrow777Fastgrow777
Heavyweight Seeds - Fast & Vast
5 years ago
Heavyweight Seeds Fast & Vast Auto
7 weeks
Heavyweight Seeds Fast & Vast AutoGreenswansea
Heavyweight Seeds - Fast & Vast
5 years ago
Heavyweight Fast & Vast By GanjaFarmar
13 weeks
Heavyweight Fast & Vast By GanjaFarmarGanjaFarmar
Heavyweight Seeds - Fast & Vast
5 years ago · 7 comments
2nd grow
9 weeks
2nd growZkittles
+2 strains
6 years ago · 3 comments
3xFast&Vast Auto
12 weeks
3xFast&Vast AutoMimi_the_dog
Heavyweight Seeds - Fast & Vast
5 years ago · 28 comments
Last round KO
12 weeks
Last round KOPharmaZ
Heavyweight Seeds - Fast & Vast
6 years ago · 28 comments
Heavyweight fast & vast
10 weeks
Heavyweight fast & vastCarpe_Diem
Heavyweight Seeds - Fast & Vast
6 years ago · 17 comments

Latest Reviews Show All Reviews ()

7
Growing it
Easy
Resistance
Easy
Deffo worth Low stress training and topping these!
5 years ago
PharmaZNewbie
9
Growing it
Normal
Resistance
Normal
Wow!!! 😮 What a turn around. I really have had so many problems growing this strain in the past, much due to me. Though she may show many different phenotypes there are some utter gems in the pool!! Really was a last round KO took them to 12 weeks before the chop.
6 years ago
7
Growing it
Normal
Resistance
Normal
On begining looked a small plant but when it start showing up... turn in to a magic tree.. it's so much sugar on it. And for a 9week plant give a nice amount of buds. My LST ON a bigining didn't work much but soon as it grow and with all my LST adjusts it reveal all of is power.. Hope you like, like i do... 👌👌👌 Thank you to @heavyweightseed Soon I will post the dry weight
6 years ago
6
Growing it
Normal
Resistance
Normal
She had the so dense buds that I gopt bud rot even on 40% rh, but she was super fast and vigorous, and real good producer.. Only minus is she is taste less
7 years ago
Latest Comments
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Biodankorganics
Biodankorganics
Running it just now but rsn it before in my first coco grow and the yield was decent, smoke was lemony and too strong to smoke before work which for an auto i was impressed, not so impressed this time round though, 8 out of 20 beans didnt pop and my germ success has been consistently 95% with beans, if you want big yields dutch passion autoultimate is the one