Bittermilk No.5 Charred Grapefruit Tonic Mixer — 17 oz bartenders' citrus-forward, smoky tonic base

Bittermilk No.5 Charred Grapefruit Tonic Mixer is a bartender-made, all-natural mixer that combines charred grapefruit peel with fresh lemon and lime to create a bright, slightly smoky tonic base for cocktails.

This 17-ounce bottle of Bittermilk No.5 is crafted by bartenders to make high-quality mixed drinks at home with minimal effort. Designed to pair effortlessly with vodka, gin, rum, tequila, or whiskey, it delivers a citrus-forward profile with a subtle char that lifts simple drinks into something more refined. The mixer contains only real ingredients—fresh citrus juices and charred grapefruit peel—without preservatives or artificial flavors, and each bottle stretches to about 17 cocktails when used as directed.

What flavor profile can I expect from Bittermilk No.5?

No.5 balances tart lemon and lime with a smoky charred-grapefruit note, creating a refreshing yet complex tonic-style mixer. It’s bright and citrusy up front, with a rounded, slightly bitter finish from the charred peel.

• Fresh lemon and lime juices for crisp acidity
• Charred grapefruit peel for a smoky, bitter edge
• Clean, natural taste with no artificial flavors
• Works as a tonic-style base for a wide range of spirits

How do I use this mixer to make cocktails at home?

Mix equal parts Bittermilk No.5, your chosen spirit, and soda water over plenty of ice, then garnish—simple proportions give consistent, balanced results. The bottle yields roughly 17 standard cocktails when mixed at equal parts with alcohol and soda water.

• Standard recipe: 1 part No.5, 1 part spirit, 1 part soda water
• Garnish suggestions: lime wedge, grapefruit slice, or fresh herbs
• Serve over lots of ice in a highball or Collins glass
• Adjust spirit amount for stronger or lighter drinks

Which spirits pair best with this charred grapefruit tonic?

No.5 was designed to be versatile—vodka and gin highlight the citrus brightness, while rum and tequila add depth and whiskey introduces a richer contrast. The charred grapefruit note bridges sweet and savory spirits, allowing creative variations.

• Vodka or gin for a clean, citrus-forward highball
• Light rum or añejo tequila for tropical or earthy twists
• Bourbon or rye for a bolder, more layered cocktail
• Also excellent in low-ABV spritzes or mocktails with soda water

Is this mixer natural and shelf-stable?

Bittermilk No.5 is made from fresh citrus and charred grapefruit peel with no artificial preservatives; it’s crafted to be shelf-stable unopened and best used within a reasonable time after opening per label guidance. Because it uses real ingredients, you’ll notice a fresh taste that differs from syrupy or artificial mixers.

• All-natural ingredients: fresh lemon and lime, charred grapefruit peel
• No artificial flavors or preservatives
• Unopened shelf-stable; refrigerate after opening as recommended
• Each 17 oz bottle makes approximately 17 cocktails at equal-parts mixing

Who is this for? Bittermilk No.5 is aimed at home bartenders, small bars, and anyone who wants bartender-quality drinks without complicated recipes. If you enjoy citrus-driven cocktails, like experimenting with pairings, or need a reliable mixer for gatherings, No.5 offers a versatile, premium option that elevates simple drinks with fresh, charred grapefruit character.

Ingredients

Fresh Citrus Juices (Lime and Lemon Juice), Florida Golden Cane Sugar, Charred Grapefruit Peel, Cinchona Bark, Spices, Bulls Bay Sea Salt