CANNALIB · STRAIN DOSSIER · BLACKWATER
Blackwater
2 independent sources put THC at 21%; 168 flower lab samples give a 10th to 90th percentile band of 13.6 to 29.5%; 7 recorded parents; 12 recorded descendants. It placed in results from Karma Cup, High Times Cannabis Cup (United States) and WSIA Sun Cup / WSCA Craft Cannabis Cup (Washington Sun & Craft Growers Association).
Blackwater is a indica dominant hybrid cannabis strain bred by Cali Connection. Lab tests put its THC between 13.6 and 29.5% (the middle 80% of 168 flower samples), with CBD around 0.1%. The terpenes most often reported are ocimene, alpha-Pinene, beta-Myrcene. Recorded parents: Mendo Purps × Mendocino Purps × San Fernando Valley × San Fernando Valley Og × Sfv Og × Sfv Og Kush × Tahoe Og Kush. Stated flowering time 56 to 63 days. 7 cup placings on record, 4 verified against published results.
● frozen 2026-09-29 · API 0.7.1-stdlib
● evidence bar: thc 2 independent sources
● type: indica dominant hybrid
21%
THC, most-agreed claim
2 independent sources
13.6–29.5%
Flower lab range
10th to 90th percentile of 168 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 |
| 21% | 2 | or_prr00150, or_olcc_rich_enrich |
| 10.6 to 29.5% | 1 | phytochem_smith, phytochem_lab |
| 1.5% | 1 | steep_hill_chemotypes_zenodo_3986252 |
| 3.5% | 1 | cannlytics_expand |
| 9.1% | 1 | maxvalue_terpenes_csv |
| 10.6% | 1 | smith_phytochem_sample |
| 11.1% | 1 | smith_phytochem_sample |
| 12.1% | 1 | steep_hill_chemotypes_zenodo_3986252 |
| 12.4% | 1 | smith_phytochem_sample |
| 12.5% | 1 | or_prr00150 |
Lab range 13.6 to 29.5% THC is the 10th to 90th percentile of 168 flower lab samples, median 21.5%; CBD 0 to 0.1% over 136 samples.
top terpenes by stated value: ocimene, alpha-Pinene, beta-Myrcene, beta-Caryophyllene, Terpinolene, alpha-Humulene
241 chemistry rows on record. Flagged rows never used as potency: 25 non flower, 16 quality flagged, 0 percent outliers.
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 |
| Mendocino Purps | 1 | strain_fact:allbud |
| San Fernando Valley | 1 | strain_fact:alchimia,master |
| San Fernando Valley Og | 1 | strain_fact:allbud |
| Sfv Og | 1 | seedfinder |
| Sfv Og Kush | 1 | seedfinder |
| Tahoe Og Kush | 1 | weedtree |
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.
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) | 1st | verified |
| 2015 | Karma Cup | Hybrid | 1st | verified |
| 2015 | High Times Cannabis Cup (United States) | Top 10 Hybrids | 5th | unverified |
| 2014 | High Times Cannabis Cup (United States) | BEST INDICA | 3rd | verified |
| 2014 | Karma Cup | Indica | 5th | unverified |
Award claims checked 5 confirmed · 3 unchecked. Only confirmed claims count as results.
| Claim | Year | Source | Verdict |
|---|---|---|---|
| 2016 Hybrid 5th Place for Alchemy Extracts at the The Karma Cup 2014 Indica Blackwater | 2016 | seedfinder | confirmed |
| 3rd Best Indica category, High Times Medical Cup, Los Angeles | Cannabis Cup Winner 2014 | 2014 | herbies | confirmed |
| Karma Cup | not stated · matched 2014, 2015, 2016 | seedfinder | confirmed |
| High Times | not stated · matched 2014, 2015, 2020 | herbies | confirmed |
| Cannabis Cup | not stated · matched 2014, 2015, 2020 | herbies | confirmed |
| 2010 Cannabis Cup First generation Mendo Purps x SFV OG Kush F3 [m]. This is named aft | 2010 | seedfinder | year_mismatch |
| 2010 Cannabis Cup entry | Cannabis Cup | 2010 | 2010 | archive.org | unchecked |
| Medical Cup | not stated | herbies | unchecked |
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 never blended with seed-bank claims. Parents are recorded links, never guessed. Pictures are shown with their source and credit; copyright is unverified. Nothing on this page was invented, averaged across sources or merged from another name.
Aliases on record: blackwater, the-cali-connection/blackwater, blackwater-1, original-sensible-seeds/blackwater-1, cali connection blackwater strain fem photo 6 pack, 018NY6XC00VT0CSPA31KF8NM63
Live card in the explorer → · Machine-readable record (API) → · Honesty rules →
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dossier blackwater · frozen 2026-09-29 · published by CannaLib, a Plausible Deniability project · Cite as: CannaLib (2026). Blackwater strain dossier. https://cannalib.org/strains/blackwater/
