Singing the Blues Vape Juice | Clean, Lab-Tested | Kai’s Virgin Vapor

Singing the Blues is a smooth, true-to-life blueberry flavor that delivers a mellow, naturally sweet fruit experience.

This is not an overly bold or artificial blueberry. Instead, it captures the soft, slightly sweet character of fresh blueberries with a balanced, easygoing profile.

The flavor is gentle yet satisfying—complex enough to stay interesting, but smooth enough to enjoy all day without overwhelming your palate.

An in-house favorite, Singing the Blues is perfect for those who want a clean, reliable fruit flavor that never gets tiring.

Highly recommended as an all day vape!

🫐 Smooth, True Blueberry Flavor

Pure, balanced true blueberry vape flavor for all-day enjoyment:

• Authentic blueberry flavor with natural sweetness
• Soft, mellow profile designed for extended vaping
• No artificial sweeteners or flavor enhancers
• No artificial colors
• No diacetyl, acetyl propionyl, or acetoin ever
• Exceptionally clean lab test results
• No propylene glycol (PG-free)
• Pharmaceutical-grade organic vegetable glycerin

Unlike conventional blueberry e-liquids that can be overly bold or candy-like, this blend focuses on smoothness, balance, and long-term enjoyment.

🌿 Flavor Profile

Boldness: ★★★☆☆ (3/5)

Sweetness: ★★★☆☆ (3/5)

Complexity: ★★★☆☆ (3/5)

Smoothness: ★★★★★ (5/5)

Throat Hit: ★★☆☆☆ (2/5)

Please note that throat hit will be strongly influenced by your choice of nicotine level.

Not sure if this flavor is right for you? 👉 Find your perfect flavor match

🔬 Verified Through Full HPHC Testing

All of our flavors are tested against the FDA’s full list of Harmful and Potentially Harmful Constituents (HPHCs) in e-liquid. We are one of the few manufacturers to test every formulation against the complete HPHC panel—and among the only to publicly share those results.

Singing the Blues achieved zero detectable HPHCs, even at extremely sensitive testing levels—-a truly exceptional result that reflects our commitment to purity and quality control in our product development.

👉 View our Lab Test Results

👉 Learn how to read a vape juice lab report

👉 Learn what makes a vape juice truly clean

🔁 Explore Similar Flavors

If you enjoy smooth, mellow, and fruit-forward profiles, you may also like:

• Razzmatazz - raspberry vape juice
• Hawaiian White Guava - guava vape juice
• Original Sin - apple vape juice

For other flavors that showed zero HPHCs detected, check out:

• Bed of Roses - rose vape juice
• Coconut Conniption - coconut vape juice
• Death by Chocolate - chocolate vape juice
• Menthol Moon Drops - menthol vape juice (beyond the presence of menthol itself)
• Romancing the Strawberry - strawberry vape juice
• Wicked Watermelon - watermelon vape juice

• Flavor
• Ingredients
• Certifications

• Singing the Blues is a fresh, true blueberry flavor! Sweet, complex and delicious!

• Boldness: Medium
• Sweetness: Medium
• Complexity: Medium
• Smoothness: Very High
• Throat Hit: Low

• This flavor is extremely potent, highly concentrated, resulting in a very pure e-liquid that contains no colorants, fillers, diluting agents or preservatives and is also vegan, sugar-free and gluten-free.

  These precious flavor essences make our e-liquids an amazing delight to the senses!

  Flavors are all pure extractions from the named fruit.

  • Organic USP Grade Vegetable Glycerin
  • Nicotine (not present if ordering 0 mg)
  • Organic and Natural Flavors

• Click here to access our Lab Test Results.

  Click here to learn How to Read a Lab Report.