Reclaim
The dark, sticky residue left behind in a dab rig after concentrates are vaporized, sometimes re-used by frugal consumers.
Reclaim is the gunk that builds up in your dab rig — basically used, already-vaporized concentrate that condensed on cooler glass. Some people scrape it out and re-dab it. It works, but it's degraded, harsh, and full of decarboxylated cannabinoids and combustion byproducts. Cleaner than ash, dirtier than fresh extract. Treat it as a budget last resort, not a feature. Smoke shops sometimes sell 'reclaim catchers' to harvest it on purpose, but the product is still chemically tired.
Definition
Reclaim (noun) is the residue that accumulates in a dab rig, nail, or downstem after vaporizing cannabis concentrates. As hot concentrate vapor travels through cooler glass, a portion condenses back into a sticky, dark liquid or semi-solid. Over many sessions this builds into a visible coating that can be scraped out and re-used. Anecdote
Reclaim is distinct from ash (which comes from combustion) and from fresh concentrate (which has not yet been heated).
Chemistry
Reclaim is not the same product you started with. The heat of dabbing — typically 300–450 °C at the nail surface — drives off terpenes almost completely and decarboxylates remaining acidic cannabinoids. What condenses downstream is enriched in neutral cannabinoids (THC, CBD, CBN) and degradation products, and largely stripped of the volatile aromatic compounds that give fresh extract its flavor. Weak / limited
Because THCA has already been converted to THC, reclaim is active without further decarboxylation, which is why some people eat it directly. Anecdote Exact composition varies wildly with starting material, nail temperature, and how long the residue has been sitting.
What people do with it
- Re-dab it. Works, but tastes burnt and harsh. Anecdote
- Eat it. Smear on a cracker or drop in a capsule. Because it's pre-decarbed, oral dosing produces effects similar to other edibles, with the usual slow onset. Anecdote
- Add to a joint or bowl. Boosts potency at the cost of flavor. Anecdote
- Throw it out. The most common choice once a rig is being cleaned with isopropyl alcohol.
What it doesn't do
Reclaim does not preserve the original strain's terpene profile or flavor — those compounds left with the first vapor pull. Claims that reclaim is somehow 'cleaner' or 'more medicinal' than fresh extract are folklore, not supported by analytical data. No data It is simply leftover, partially degraded concentrate.
Used in articles
See also: Dab Rig, Cannabis Concentrate, Decarboxylation, THC, CBN.
Sources
- Peer-reviewed Wang, M., Wang, Y. H., Avula, B., et al. (2016). Decarboxylation Study of Acidic Cannabinoids: A Novel Approach Using Ultra-High-Performance Supercritical Fluid Chromatography/Photodiode Array-Mass Spectrometry. Cannabis and Cannabinoid Research, 1(1), 262–271.
- Peer-reviewed Meehan-Atrash, J., Luo, W., & Strongin, R. M. (2017). Toxicant Formation in Dabbing: The Terpene Story. ACS Omega, 2(9), 6112–6117.
- Peer-reviewed Raber, J. C., Elzinga, S., & Kaplan, C. (2015). Understanding dabs: contamination concerns of cannabis concentrates and cannabinoid transfer during the act of dabbing. Journal of Toxicological Sciences, 40(6), 797–803.
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