CANNALIB · STRAIN DOSSIER · BLACKWATER
Blackwater
2 independent sources put THC at 18.4%; 87 flower lab samples give a 10th to 90th percentile band of 13.125 to 23.974%; 7 recorded parents; 12 recorded descendants. It placed in results from Arkansas Times Cannabis Awards, Karma Cup and WSIA Sun Cup / WSCA Craft Cannabis Cup (Washington Sun & Craft Growers Association).
● frozen 2026-09-14 · API 0.7.0-stdlib
● evidence bar: flower lab range 3 samples
● type: indica dominant hybrid
18.4%
THC, most-agreed claim
2 independent sources
13.125–23.974%
Flower lab range
10th to 90th percentile of 87 samples
7
Recorded parents
with sources, never guessed
12
Recorded descendants
through stated parent links
4/7
Cup results, verified/total
placings found in published results
9
Pictures on record
shown with source and credit
CHEMISTRY, CLAIM BY CLAIM
Every THC claim, and who made it.
| THC | Independent sources | Who states it |
|---|---|---|
| 18.4% | 2 | maxvalue_terpenes, smith_phytochem_sample |
| 18% | 2 | leafly_flat, leafly_flat_enrich, medical_effects |
| 3.519% | 1 | cannlytics_expand |
| 9.063% | 1 | maxvalue_terpenes_csv |
| 10.64% | 1 | smith_phytochem_sample |
| 10.64 to 29.5% | 1 | phytochem_smith, phytochem_lab |
| 11.1224% | 1 | smith_phytochem_sample |
| 12.3557% | 1 | smith_phytochem_sample |
| 12.493% | 1 | or_prr00150 |
| 13.016% | 1 | smith_phytochem_sample |
2 more THC claims are on the live card.
Lab range 13.125 to 23.974% THC is the 10th to 90th percentile of 87 flower lab samples (median 18.397). CBD 0.026 to 0.263% over 55 samples. It is a band, not an average, and it is shown only because there are three or more samples.
top terpenes by stated value: ocimene, alpha-Pinene, beta-Myrcene, beta-Caryophyllene, Terpinolene, alpha-Humulene, delta-Limonene, Linalool
131 chemistry rows on record. Flagged rows never used as potency: 7 non flower, 16 quality flagged.
GROW CLAIMS
Height and flowering, as stated.
| Height | Independent sources | Who states it |
|---|---|---|
| 80 to 120 cm | 3 | seedcity, seedcity_local, cannaconnection |
| Flowering | Independent sources | Who states it |
|---|---|---|
| 56 to 63 days | 7 | multiverse, cannaconnection, seedcity, seedcity_local, cannabis_intelligence, alchimia, master, seedfinder |
| 63 days | 4 | seedfinder, northatlantic, multiverse, alchimia |
| 60 days | 1 | seedfinder |
| 55 to 65 days | 1 | cannabis_intelligence |
LINEAGE
Recorded parents, and how many sources agree.
| Parent | Sources | Who states it |
|---|---|---|
| Mendo Purps | 1 | seedfinder |
| San Fernando Valley | 1 | strain_fact:alchimia,master |
| SFV OG | 1 | seedfinder |
| SFV OG Kush | 1 | seedfinder |
| TAHOE OG KUSH | 1 | weedtree |
| Mendocino Purps low confidence | 1 | strain_fact:allbud |
| San Fernando Valley OG low confidence | 1 | strain_fact:allbud |
12 descendants through recorded links, including Black Kush, Black TC, Deja vu, Fire Alien Black, Purple Chem Feminised Seeds - 6, Blackwater x Apollo 13/11, Blackwater x Nigerian Sunshine, Purple Crack. 2 sub-varieties and 0 phenotypes or cuts are linked to this cultivar.
COMPETITIONS AND AWARD CLAIMS
Cup results with sources; claims with verdicts.
| Year | Competition | Category | Place | Checked |
|---|---|---|---|---|
| 2024 | Arkansas Times Cannabis Awards | Best Indica Strain | winner | unverified |
| 2020 | WSIA Sun Cup / WSCA Craft Cannabis Cup (Washington Sun & Craft Growers Association) | Best Full Term THC Flower | winner | verified |
| 2016 | Karma Cup | BUD – (Hybrid) | 1 | verified |
| 2015 | Karma Cup | Hybrid | 1 | verified |
| 2015 | High Times Cannabis Cup (United States) | Top 10 Hybrids | 5 | unverified |
| 2014 | High Times Cannabis Cup (United States) | BEST INDICA | 3 | verified |
| 2014 | Karma Cup | Indica | 5 | unverified |
Award claims checked
5 confirmed · 1 year mismatch · 8 unchecked. Only confirmed claims count as wins on the live card; every other verdict is shown in words beside the claim.
PICTURES, WITH CREDIT
9 pictures on record. Three shown, each with its source.
credit: cannaconnection.com · shown with credit copyright unverified
credit: seedfinder.eu · shown with credit copyright unverified
credit: seedfinder.eu · shown with credit copyright unverified
How to read this page
Every value is a stated claim with its sources. Where sources disagree all claims are listed. The lab range is the 10th to 90th percentile of flower lab samples and is shown only from 3 samples. Nothing is averaged across sources.
Aliases on record: 018NY6XC00VT0CSPA31KF8NM63, blackwater, blackwater-1, cali connection blackwater strain fem photo 6 pack, original-sensible-seeds/blackwater-1, the-cali-connection/blackwater. First listed by Cali Connection. Observations on record: 13. Science links: 86.
dossier blackwater · frozen 2026-09-14 · citation score 44.6 · published by CannaLib, a Plausible Deniability project