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.

Blackwater strain picture, credit cannaconnection.com

credit: cannaconnection.com · shown with credit, copyright unverified

Blackwater strain picture, credit seedfinder.eu

credit: seedfinder.eu · shown with credit, copyright unverified

Blackwater strain picture, credit seedfinder.eu

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

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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/

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