Ruby Grapefruit Hard Seltzer Recipe Kit

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Ruby Grapefruit Hard Seltzer Recipe Kit | Bright & Citrusy

Love the bold, citrusy punch of grapefruit? Our Ruby Grapefruit Hard Seltzer Recipe Kit makes it easy to brew a crisp, tart seltzer with a refreshing grapefruit kick—all in just a few simple steps!

Made with real crystallized ruby grapefruit powder, this kit delivers an authentic citrus burst without artificial additives or sugar. Perfect for warm days, poolside sipping, or as a light, bubbly alternative to heavier drinks. Now with double the fruit powder for an even bolder fruit experience!

Easy Fermentation – Ready in as Little as 7 Days!

This kit includes Omega Yeast Propper Seltzer™ Nutrient, a game-changer for sugar-based fermentations. It supports Lalvin EC-1118 yeast, ensuring a clean, fast, and efficient fermentation process. With the right yeast and nutrient combo, your hard seltzer can be ready to drink in as little as 7 days!

What’s Included in the Kit?

  • 4 lbs of corn sugar – Ferments clean for a neutral base
  • Omega Yeast Propper Seltzer™ Nutrient – Optimized for sugar-based fermentation
  • Lalvin EC-1118 Yeast – Produces a crisp, dry seltzer
  • Crystallized ruby grapefruit powder – Real fruit flavor, sugar-free, water-soluble

Hard Seltzer Tasting Notes

  • Aroma: Bright, citrusy grapefruit with subtle floral notes
  • Appearance: Crystal clear
  • Flavor: Tangy and refreshing with a crisp, slightly bitter grapefruit finish
  • Mouthfeel: Very light body with a sparkling, effervescent carbonation

Hard Seltzer Brewing Notes

  • Style: Alternative Fermentation
  • Fermentation Range: 60-80°F
  • Original Gravity: 1.035
  • ABV: 5.5%

Additional information

Support Documents - Instructions Click here for instructions
SKU

B11680G

Beer Color Light
Original Gravity

1.035

Total Time to Make 6 weeks
Regional Style USA
Alcohol Content Medium
Yield 5 Gallons
Beer Style Hard Seltzer
Fermentation Type Ale
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Customer Reviews

Based on 46 reviews
61%
(28)
13%
(6)
26%
(12)
0%
(0)
0%
(0)
B
Bill N.-.V.
Add Seltzer to Your Brewing Repertoire

Flavorful, refreshing, lighter alternative to beers for yourself or your friends. Gotta keep it fed and actively bubbling so maybe keep an extra sachet of yeast AND some yeast nutrient at the ready. I love the grapefruit flavor and have tried mango and lime as well. Highly recommended.

L
Linda L.B.
My Ruby Red Grapefruit hard seltzer stinks

I’ve made good batches before but this time my seltzer smells like dirty socks and tastes horrible. It smelled bad and tasted bad before I added the flavoring. After I added the flavoring it smells like dirty socks with a hint of grapefruit and tastes a lot like it smells.

B
Beau M.
Changed the recipe

I used Lutra yeast and Propper Seltzer nutrient after reading about other's stuck fermentations. Managed to hit my OG and FG perfectly.

The flavor was pretty weak (I only got one packet, not the three advertised) but managed to save it with some blood orange extract I had sitting around.

Lastly, I thought I had an infection near the end because it smelled very sulfur-y, but it cleared up after about another week in the fermenter. The next batch had the same problem, and I resolved it by CO2 flushing. If you encounter this smell, it's not a serious problem, probably just stressed yeast.

J
Justin I.
Okay - didn't ferment well

Weak fermentation, the alcohol level was low. Since I was kegging, I dumped in a few cups of vodka to get it to an acceptable level.

The taste is fine - it takes just like White Claw grapefruit. I used the whole grapefruit package, and it was maybe a touch strong, but not too bad. Overall, flavor is good, but the alcohol content wasn't great.

r
rodney b.

I haven't brewed it yet but I know it will be great

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Ruby Grapefruit Hard Seltzer Recipe Kit

Ruby Grapefruit Hard Seltzer Recipe Kit

Customer Reviews

Based on 46 reviews
61%
(28)
13%
(6)
26%
(12)
0%
(0)
0%
(0)
B
Bill N.-.V.
Add Seltzer to Your Brewing Repertoire

Flavorful, refreshing, lighter alternative to beers for yourself or your friends. Gotta keep it fed and actively bubbling so maybe keep an extra sachet of yeast AND some yeast nutrient at the ready. I love the grapefruit flavor and have tried mango and lime as well. Highly recommended.

L
Linda L.B.
My Ruby Red Grapefruit hard seltzer stinks

I’ve made good batches before but this time my seltzer smells like dirty socks and tastes horrible. It smelled bad and tasted bad before I added the flavoring. After I added the flavoring it smells like dirty socks with a hint of grapefruit and tastes a lot like it smells.

B
Beau M.
Changed the recipe

I used Lutra yeast and Propper Seltzer nutrient after reading about other's stuck fermentations. Managed to hit my OG and FG perfectly.

The flavor was pretty weak (I only got one packet, not the three advertised) but managed to save it with some blood orange extract I had sitting around.

Lastly, I thought I had an infection near the end because it smelled very sulfur-y, but it cleared up after about another week in the fermenter. The next batch had the same problem, and I resolved it by CO2 flushing. If you encounter this smell, it's not a serious problem, probably just stressed yeast.

J
Justin I.
Okay - didn't ferment well

Weak fermentation, the alcohol level was low. Since I was kegging, I dumped in a few cups of vodka to get it to an acceptable level.

The taste is fine - it takes just like White Claw grapefruit. I used the whole grapefruit package, and it was maybe a touch strong, but not too bad. Overall, flavor is good, but the alcohol content wasn't great.

r
rodney b.

I haven't brewed it yet but I know it will be great