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GLASS / Vapes / Happy Valley GMO Z 510 Vape Cartridge
Happy Valley GMO Z 510 Vape Cartridge, 1 g

GMO Z 510 Vape Cartridge

Happy Valley · indica · 1 g

$25 lowest of 3 stores$25/g · $0.030/mg

CNA Stores - Haverhill · Haverhill

Menu price, before taxChecked Oct 7, 9:15 AM ET

THC82.6%
Truth checkNo flag
Range$25-$36.69

Lowest price, last 4 days: lowest seen. Dashed: typical store.

Alert me under $25
Prices at 3 stores
01
CNA Stores - Haverhill
Haverhill · chain
Checked Oct 7, 9:15 AM ET
82.5% posted test$0.030/mg
$25→
02
The Vault - Worcester
Worcester · local
Checked Oct 7, 7:09 PM ET
82.8% last known$0.036/mg
$30↗
03
The Piping Plover
Wellfleet · local
Checked Oct 7, 6:39 AM ET
$0.044/mg
$36.69↗

Based on listings published by stores, as of Oct 7, 2026. Not a lab test by GLASS. How the truth check works.

Distance is straight-line from the place you picked. Menu prices, before tax. Prices are as listed by each store. Updated daily.

Proof for the truth check
See the proof

The numbers and where they come from

Store menuCNA Stores - Haverhill, Haverhill (via leafbridge)
ScrapedOct 6, 2026, 10:31 PM ET
Listed THC82.5%
Posted test value82.5% total THC (used for value and ranking)
THC as posted
Fields posted by the platformTHC 82.5%, delta-9 82.5%
Batchid 2251671d-15df-4840-9b8d-879918f207f2

Comparison group

Compared with 8,629 products in the same category and size (vape products, 1 g). Median 85.3%; 99th percentile 94.4%. This product sits above 30.0% of them.

0%50%100%

Bars: how many products list each THC value. Dashed line: 99th percentile. Red marker: this product.

What this means

  • The listed THC is not out of line with similar products, and nothing we hold contradicts it.

What it does not mean

  • This is not a lab test by GLASS. We only read what stores and their menu platforms publish.
  • A listing can differ for many reasons: a new batch since we recorded it, THCA shown as THC, a typing error, or a platform quirk.
  • It says nothing about the store, the brand or why the number differs.

Based on listings published by stores, as of Oct 7, 8:45 PM ET. How the truth check works · Report an error

Truth check
Posted test value
82.6%
No flag
0%104%
Shaded: middle half of 8,629 similar products (81.5 to 88%). Solid line: median 85.3%. Dashed line: 99th percentile 94.4%. Marker: this product.

Lists 82.63% THC. Higher than 30% of 8,629 similar products we track (vape products, 1 g).

See the proof below

Price per mg of THC
$0.030/mg

Dollars per mg of THC by posted test value at the lowest in-stock price: $25 ÷ 825 mg of THC (1 g × 82.5%).

Where to find it
3 stores Open full map
Is this a good price?
Is this a good price?
Low, typical or high compared with every price we track. No account needed.
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All Happy Valley pricesPrices in HaverhillPrices in WorcesterPrices in Wellfleet

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