Crescent 9 THC Seltzer Review | Cocktail Underground

Bonnie Mellott | July 8, 2026

Crescent 9 THC Seltzer: Our Honest Review

If you've been looking for a break from alcohol without giving up the ritual of a good drink in hand, this is the one we keep coming back to. Crescent 9 THC Seltzer is a hemp-derived THC beverage — alcohol-free, low-calorie, and made with real fruit juices and purees instead of the syrupy mix you'd expect from a seltzer.

Crescent 9 THC Seltzers - Sour Watermelon, Ginger Lemonade, Raspberry Lime, Grape Lemonade

What It Actually Is

Crescent 9 is made with hemp-derived Delta-9 THC using nanoemulsion technology, which is a fancy way of saying the THC is broken down small enough that your body absorbs it fast — most people feel it in about 15 minutes, it peaks around the one-to-two-hour mark, and it lasts three to six hours. No alcohol, no hangover, and it mixes into a glass exactly like a seltzer would.

Flavors & Potencies

Crescent 9 comes in a range of flavors and strengths, so there's a real on-ramp whether this is your first THC drink or your tenth:

Ginger Lemonade THC Seltzer | 5 mg (+ 4mg CBD) | First-timers, easy sipping
10mg THC Seltzer Variety Pack | 10 mg | Our pick — balanced and easy to enjoy
Sour Watermelon THC Drink | 20 mg | Regular users who want more of a lift
Grape Lemonade THC Drink | 50 mg | Experienced users only — start with 1–2 oz, not the whole can

New to THC drinks? Start with a 5 mg can, or just pour a couple ounces of a higher-potency one. You can always have more — you can't have less.

Quality & Testing

Every batch is third-party lab-tested for potency and purity, and Crescent Canna publishes the certificate of analysis (COA) for each one — worth checking before your first order so you know exactly what's in the can.

Good to Know Before You Order

Must be 21 or older to purchase or consume
THC will show up on a drug test
If you're on medication or have a health condition, check with your doctor first
Some states have shipping restrictions — check at checkout
Use coupon code UNDERGROUND for 25% off edibles

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