Analysis · written 2026-10-28 · rankings recompute with every index update

The best lab-tested vape carts in California (2026)

The short answer

Heavy Hitters ranks first among vape brands in California in this index, scoring 89.9 out of 100 across 305 lab-tested batches with no failed batches. Next is Almora Farm (85.4). 2 of the 9 vape brands indexed in California have the 10 or more certificates a ranking needs, and every one is scored by the same published consistency formula: testing depth, record length, pass rate, batch-to-batch THC variation, panel breadth and recall history.

The ranking

California requires every cannabis batch to pass state testing before it is sold, so a passing certificate is the floor, not a distinction. What separates brands is the record around it: how many batches are on file, whether any failed, and whether the THC in one cartridge matches the next.

  1. 1. Heavy Hitters 89.9
    Why it ranks here: 305 batches over 11 months, no failed batches, THC moves about 1.42% (relative) between batches of the same product, median 89.2% THC.
  2. 2. Almora Farm 85.4
    Why it ranks here: 118 batches over 6 months, no failed batches, THC moves about 2.01% (relative) between batches of the same product, median 83.1% THC.

Also tested in this market, but under the 10-product floor needed for a ranking: Raw Garden (8), Surplus (4), Surplus Tropics (4), Dabwoods (2), STIIIZY (2), Lift Tickets (1), Microgreenz (1).

Disclosure: Heavy Hitters is a supporter of this index (details). Supporters get no say in rankings: every brand on this page is scored by the same published formula, and nothing here is placed by hand.

The strongest products, by measured THC

64 vape products from 2 brands qualify for this list in California. That is a small field: it reflects which brands have repeat certificates in this index, not every product sold in California.

Top 10 vapes in California by mean lab-measured THC.
#ProductBrandMean THCRangeBatches
11g Cart: The Don [I]Heavy Hitters92.2%91.2 to 92.9%4
21g Cart: Strawberry Cough [S]Heavy Hitters92.0%91.1 to 92.7%4
31g Cart: G13 [I]Heavy Hitters91.9%90.8 to 93.5%4
41g Cart: Alaskan Thunder F [S]Heavy Hitters91.9%90.8 to 93.0%4
51g AIO: Grapefruit [S]Heavy Hitters91.9%90.6 to 93.2%3
61g Cart: Jilly Bean [I]Heavy Hitters91.7%90.8 to 92.6%3
71g Cart: Forbidden Fruit [I]Heavy Hitters91.7%90.1 to 93.2%4
81g Cart: Northern Lights [I]Heavy Hitters91.5%90.4 to 93.0%4
91g Cart: Cloudberry [I]Heavy Hitters91.4%89.3 to 92.6%4
101g Cart: Apple Fritter [H]Heavy Hitters91.4%90.6 to 92.6%4

A product counts here when it has at least 3 finished batches with a printed THC percentage and has never failed a test. Mean THC is the average across those batches; the range shows the lowest and highest batch, so a product that swings is visible. Strength is not quality: a stronger vape is not a better one for every person, and this page is not dosing guidance.

How we ranked

Each brand's score is the index's published consistency score (methodology), run over only that brand's finished vapes in this market: testing depth, how long the record runs, pass rate, batch-to-batch THC variation within each product line, pesticide panel breadth, public certificate links, and recall history. Because it uses one category, the number can differ from the overall score on a brand page. Population: 445 finished vapes with laboratory certificates in this index. A brand needs 10 to be ranked. Limits: this ranks what the index holds, not every brand on shelves; a brand that is not indexed is not ranked, which says nothing about its quality.

By Cannabis Lab Data, the independent COA index. Who makes this and how it is funded: about this index.