Ultrabrite by Thunderfudge
Ultrabrite lands on the indica-leaning side of the spectrum, Thunderfudge's take on the The White × Ultra Chem SFV line. Indoors it typically finishes flowering in around 74 days after the flip to 12/12. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Ultrabrite grows against.
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Similar strains
| Breeder | Thunderfudge |
|---|---|
| Type | indica/sativa |
| Flowering time | ±74 days |
| Environment | Outdoors |
| Lineage | The White × Ultra Chem SFV |
| Descendants | White Ass Chem, Hayabusa |
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🧬 Explore the family: The White · Ultra Chem SFV · White Ass Chem · Hayabusa
Ancestry Pedigree
Clone Only Strains
Original Strains
Unknown or Legendary
Unknown or Legendary
Original Strains
Clone Only Strains
Clone Only Strains
Original Strains
Unknown or Legendary
Growing Ultrabrite: 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 The White or Ultra Chem SFV 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.
Ultrabrite FAQ
How long does Ultrabrite take to flower?
Ultrabrite typically flowers in around 74 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is Ultrabrite an indica or a sativa?
Ultrabrite is listed as indica/sativa.
What are the parents of Ultrabrite?
Ultrabrite was bred from The White × Ultra Chem SFV by Thunderfudge.
What environment does Ultrabrite 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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