
THC
19.6–23.2%
CBD
0.4%
Brothers Grimm self-crossed Rosetta Stone onto itself for this tester hybrid, testing 20-23% THC.
No effect, terpene, flavor or medical-use data specific to Rosetta Stoned Xx Tester F has been published yet, so we don't guess. For what hybrid strains usually do, see the effects guide.
THC in this profile
23.2% THC
About Rosetta Stoned Xx Tester F
The lineage here is unusual on paper: Rosetta Stone crossed with itself, an inbred pairing Brothers Grimm Seeds is offering as a 'tester' feminized line rather than a fully finished commercial release. Crossing a strain with its own line is a way breeders stabilize and intensify the traits already present in that plant, and the 'XX' tester label signals this is still part of that evaluation process. THC on the lab sheet runs from 20% up to 23%, a strong range that suggests the doubling-down on Rosetta Stone genetics carried potency along with it. Brothers Grimm has a long history working with Rosetta Stone as a foundational line, and a self-cross tester like this is typically how breeders check whether a favored expression can be locked in reliably. For growers curious about where that lineage can go, this is a chance to work with a plant bred directly back into its own genetic pool.
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Frequently Asked Questions about Rosetta Stoned Xx Tester F
Is Rosetta Stoned Xx Tester F an Indica, Sativa, or Hybrid?
Rosetta Stoned Xx Tester F is classified as a hybrid cannabis strain bred from a genetic cross of is Rosetta Stone × Rosetta Stone.
What cannabinoid content is reported for Rosetta Stoned Xx Tester F?
Rosetta Stoned Xx Tester F: 23.2% THC and 0.4% CBD reported in our data. The THC figure, when present, is the upper end of the reported range, not a typical measured dose. Potency can vary across harvests, phenotypes, and growing conditions.