Sour Kiwi Watermelon by Frunk Bar is a vibrant longfill combining tangy kiwi with juicy watermelon. The flavour opens with a clear sour kick from the kiwi, balanced by the smooth sweetness of watermelon for a refreshing finish.
The product is supplied as 20 ml flavour concentrate in a 60 ml bottle and is intended to be mixed up to 60 ml of finished e-liquid. Sour Kiwi Watermelon is ideal for vapers who enjoy a lively fruit blend with noticeable tartness.
Note: This is a longfill and cannot be used on its own. You must add base liquid and/or nicotine shots to create a ready-to-use e-liquid.
Contents
- 1 × 20 ml flavour concentrate in a 60 ml bottle (longfill)
Features
- Flavour: Sour kiwi and watermelon
- Volume: 20 ml concentrate in a 60 ml bottle
- Type: Longfill – requires base liquid and/or nicotine shots
- Mixing ratio: Adjustable (VG/PG and strength)
- Possible nicotine strength: up to approx. 13.3 mg/ml (at 60 ml final volume)
- Manufacturer: Frunk Bar
Nicotine calculation (example, 20 mg/ml shots, final volume 60 ml)
| Nicotine shot 20 mg/ml | Base liquid 0 mg/ml | Nicotine strength | Total volume |
|---|---|---|---|
| 10 ml | 30 ml | 3.3 mg/ml | 60 ml |
| 20 ml | 20 ml | 6.7 mg/ml | 60 ml |
| 30 ml | 10 ml | 10.0 mg/ml | 60 ml |
| 40 ml | 0 ml | 13.3 mg/ml | 60 ml |
FAQ
How sour is the flavour?
The kiwi delivers a clear tang that is softened by watermelon sweetness.
Does watermelon dominate the mix?
No, it adds juiciness and balance without overpowering the kiwi.
What is a longfill?
A longfill is a flavour concentrate that must be mixed with base liquid and optionally nicotine shots before use.
Do I need anything besides the bottle?
Yes, you need base liquid (VG/PG) and nicotine shots if you want nicotine.
Is Sour Kiwi Watermelon suitable for all-day vaping?
Yes, the fresh balance makes it comfortable for extended use.
About Frunk Bar
Frunk Bar focuses on modern longfills with clear fruit character and balanced sour notes. The range is designed to deliver clean, refreshing flavours with consistent performance.


