Bottleplus offers a portable carbonated water system that lets users carbonate water on‑the‑go using standard CO₂ cylinders. The modular bottle includes an integrated carboniser capable of producing up to 10 bottles (≈6 L) per charge and supports flavor‑capsule add‑ins for sugar‑free drinks. A subscription service delivers replacement CO₂ cylinders automatically, reducing reliance on single‑use plastic bottles.
Funding
$2.2M raised to dateRaised to date based on public sources. This may differ from the amount the company actually raised and is based only on what is publicly available on the internet.

Founders
Product
Problem
The widespread reliance on single-use plastic bottles for sparkling water contributes to environmental waste and necessitates the transportation of heavy beverages. Consumers seeking convenient, on-the-go access to sparkling water often face limitations in portability and sustainability.
Solution
bottleplus offers a portable water carbonation system that enables users to create sparkling water anywhere. The core product, the 'spark bottle,' integrates a carbonizer directly into a reusable bottle, allowing for on-demand carbonation of tap water. This system eliminates the need for single-use plastic bottles and reduces the logistical footprint associated with transporting pre-packaged beverages. A refill station facilitates the exchange of CO2 cylinders, ensuring continuous operation. The company emphasizes a sustainable lifecycle for its products, with manufacturing primarily in Germany and Switzerland.
Target Audience
The primary target audience includes environmentally conscious consumers and individuals seeking convenient, portable hydration solutions who prefer sparkling water.
Features
- Integrated carbonizer within a reusable bottle for on-the-go carbonation.
- Utilizes standard CO2 cylinders (TR 21x4 thread) compatible with a refill station.
- Each CO2 cylinder can carbonate up to 60 liters of water.
- Bottle construction includes stainless steel for the body, aluminum for the carbonizer, and Grilamid for the cap.
- Available in multiple colorways: graphite, jade, sand, and rust.
- Offers a 'spark set' which includes the bottle, carbonizer, and a CO2 cylinder.
- Provides a 'spark set duo' for two users, including two bottles, a refill station, and a CO2 cylinder.
- Accessories include refill stations (base and tower), bottle caps, and replacement carbonizers.
- Focus on local production in Germany and Switzerland to minimize transport emissions.
- Commitment to using biogenic CO2 and exploring recycled plastics for future product iterations.