Ultra Fizz by Calyx Bros.
Growers reach for Ultra Fizz as a sativa-leaning option, a cross of MK Ultra x Creamsicle × Lemon Fizz out of Calyx Bros.. Indoors it typically finishes flowering in around 67 days after the flip to 12/12. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Ultra Fizz grows against.
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Similar strains
| Breeder | Calyx Bros. |
|---|---|
| Type | mostly sativa |
| Flowering time | ±67 days |
| Environment | Outdoors |
| Lineage | MK Ultra x Creamsicle × Lemon Fizz |
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🧬 Explore the family: MK Ultra x Creamsicle · Lemon Fizz
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Growing Ultra Fizz: what to expect
As a sativa-leaning plant, plan for a big stretch after the flip (often 100–200%) — flip earlier than feels natural and keep training options ready. Sativa-leaning plants also generally prefer a lighter feed than heavy indicas. Growers familiar with MK Ultra x Creamsicle or Lemon Fizz 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.
Ultra Fizz FAQ
How long does Ultra Fizz take to flower?
Ultra Fizz typically flowers in around 67 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is Ultra Fizz an indica or a sativa?
Ultra Fizz is listed as mostly sativa.
What are the parents of Ultra Fizz?
Ultra Fizz was bred from MK Ultra x Creamsicle × Lemon Fizz by Calyx Bros..
What environment does Ultra Fizz 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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