# Kryptonite Fast

> Kryptonite Fast by Pyramid Seeds — the fast-flowering version of Kryptonite, with a germination guarantee. 21–23% THC, Yumbolt sativa — flowering in just 53 days under LED. The same cerebral sativa effect, the same sour-haze aroma, a shorter cycle.
Who is it for? Anyone who wants Kryptonite power at maximum speed — 5 days quicker than the original, with several harvests a year possible.

Brand: Pyramid Seeds (Barcelona, breeding since 2000)
Product page: https://pyramidseeds.com/gb/fast-flowering-feminized-seeds/230-kryptonite-fast.html

## Specifications

- Genotype: Índica  20%
- Genotype: Sativa 80%
- Aroma: Citric
- Aroma: Earthy
- Aroma: Fresh
- Aroma: Spicy
- Aroma: Pine tree
- Effects: Euphoria
- Effects: Cerebral stimulant
- Effects: Psychedelic
- Indoor yield per 1 m²: 450 gr/m2
- Outdoor yield: 0,5-1,5 kg
- THC: 21-23%
- Indoor flowering: 58 days
- Collection: Fast Flowering
- Flowering type: Photodependent
- Type: Feminized
- CBD: Low
- Difficulty Level: Moderate
- Indoor yield per 1,5 m² (Expert 720 W LED): 800-950 g/1,5m²
- Genotype Dominance: Predominantly Sativa
- THC Level: High
- CBD Level: Low
- Yield Indicators (Indoor): Large
- Yield Indicators (outdoor): Extra Large
- New: ✓
- Indoor flowering (LED): 53 days

**Kryptonite Fast** by Pyramid Seeds — the fast-flowering Fast version of **Kryptonite**, with a **germination guarantee**. **21–23% THC**, 80% sativa from Yumbolt genetics: just **53 days flowering under LED** — while fully preserving the signature sour-haze profile, potency and yield.

## Key specifications

**Genetics** | Yumbolt Fast Version

**Genotype** | 80% sativa / 20% indica

**Flowering type** | Fast-flowering, photoperiod, feminized

**THC** | 21–23%

**CBD** | Low

**Flowering indoor (LED)** | **53 days**

**Flowering indoor (HPS)** | 58 days

**Yield indoor** | 450 g/m² | up to 800–950 g/1.5 m² (720 W LED)

**Yield outdoor** | 500 g – 1.5 kg/plant

**Dominant terpenes** | limonene, caryophyllene, pinene, myrcene

**Aroma** | sour haze, citrus, pine, earthy, spicy

**Effects** | cerebral, euphoric, psychedelic, stimulating

**Difficulty** | Moderate

## The Fast version: full power, shorter cycle

**Kryptonite Fast** is the fast-flowering selection of **Kryptonite** — the same Yumbolt sativa genetics from the Sierra de Granada, flowering **5 days shorter** at 53 days under LED instead of 58. Identical potency, identical yield, identical sour-haze character. Ideal for growers who want more indoor harvests a year, or simply the fastest route to the full Kryptonite effect.

## Aroma and terpene profile

Kryptonite Fast keeps the full aroma profile of the original — the signature sour haze-citrus profile of the Yumbolt line with an earthy pine depth.

Terpene | Typical impressions | Contribution to the profile

**Limonene** | Fresh, citrusy, sour | The main carrier of the sour haze-citrus profile

**Caryophyllene** | Spicy, peppery, earthy | Spicy depth — the Yumbolt character

**Pinene** | Fresh, pine, needle-like | Pine freshness — the haze component

**Myrcene** | Earthy, fruity | Earthy base beneath the citrus profile

## Kryptonite Fast vs. Kryptonite Fem: a direct comparison

 | Kryptonite Fast | Kryptonite Fem

**Flowering (LED)** | **53 days** | 58 days

**THC** | 21–23% | 20–23%

**Yield (LED)** | 800–950 g/1.5 m² | 800–950 g/1.5 m²

**Aroma** | Identical | Identical

**Who is it for?** | Fastest harvest, more cycles | Classic cycle

## Kryptonite family — all versions

- **Kryptonite Fem** — photoperiod, 58 days LED, 20–23% THC

- **Kryptonite Fast** — fast-flowering, **53 days LED**

- **Auto Kryptonite** — autoflowering, 63 days, no light schedule

Kryptonite Fast is also part of the **Power Mix Fast** — 12 feminized seeds from 4 fast-flowering genetics in a single pack.

**Browse more Pyramid Seeds genetics:**

Fast-Flowering Seeds Sativa Seeds

Kryptonite Fast — frequently asked questions
**What is the Kryptonite Fast version?**

Kryptonite Fast is the fast-flowering version of Kryptonite — Yumbolt sativa genetics with 21–23% THC and just 53 days flowering under LED. The same potency, the same sour-haze profile, a shorter cycle than the original.

**What is the difference between the Fast version and an autoflower?**

Kryptonite Fast is photoperiod — it needs the switch to 12/12 to flower, giving full control over the veg phase. Auto Kryptonite flowers automatically with no light schedule — simpler, but less control over the veg phase.

**How long does Kryptonite Fast flower?**

53 days under LED, 58 days under HPS — 5 days quicker than the standard feminized version.

**Does Kryptonite Fast have the same terpene profile as Kryptonite Fem?**

Yes — the genetics are identical, only the flowering time is shorter. The sour haze-citrus profile of limonene, caryophyllene and pinene is fully preserved.

**Where can I buy Kryptonite Fast seeds?**

Original Kryptonite Fast seeds with a germination guarantee are available direct from Pyramid Seeds — with fast, discreet worldwide shipping.

Pyramid Seeds — over 20 years of experience in cannabis breeding. Shipped direct from Barcelona, discreet and fast, worldwide.