MK-91 by Pisces Genetics
MK-91 lands on the indica-leaning side of the spectrum, Pisces Genetics's take on the SoCal Master Kush × Chem 91 Skunk VA line. Indoors it typically finishes flowering in around 70 days after the flip to 12/12. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real MK-91 grows against.
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Similar strains
| Breeder | Pisces Genetics |
|---|---|
| Type | mostly indica |
| Flowering time | ±70 days |
| Environment | Outdoors |
| Lineage | SoCal Master Kush × Chem 91 Skunk VA |
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🧬 Explore the family: SoCal Master Kush · Chem 91 Skunk VA
Ancestry Pedigree
Clone Only Strains
Dutch Passion
Homegrown Fantaseeds
Original Strains
Clone Only Strains
Unknown or Legendary
Original Strains
Growing MK-91: what to expect
As an indica-leaning plant, expect a modest stretch after the flip (roughly 50–100%) and dense bud structure — which makes late-flower humidity discipline the main risk: keep RH in the 40s once buds fatten to stay ahead of mold. Growers familiar with SoCal Master Kush or Chem 91 Skunk VA will recognize much of its behavior. Whatever the listing says, the cut in YOUR tent is the ground truth: log feedings, readings, and photos, and let the trends — not the label — drive decisions.
MK-91 FAQ
How long does MK-91 take to flower?
MK-91 typically flowers in around 70 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is MK-91 an indica or a sativa?
MK-91 is listed as mostly indica.
What are the parents of MK-91?
MK-91 was bred from SoCal Master Kush × Chem 91 Skunk VA by Pisces Genetics.
What environment does MK-91 like?
Standard cannabis bands work well: VPD 0.8–1.1 kPa in veg and 1.0–1.4 kPa in flower, with humidity stepping down from 65–75% as a seedling to 40–50% in late flower. See the stage-by-stage table on this page.
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