ROI WaterMineral Water

The initiative to bottle the world’s most magnesium rich mineral water came from the Pšeničnik familiy, who owns and manages two hotels in the famous Spa & Wellness town of Rogaška Slatina, Slovenia. When they’ve discovered a source of this precious mineral water runs under one of their hotel’s garden, they set in motion the project, which included everything, from water analysis and bottling facility construction, to brand, marketing and distribution development on the global market.

ROI is unlike any other mineral water in the world. As the most magnesium-rich water there is, it offers various benefits, but only when enjoyed in moderation.

The unique ROI mineral water provides various health effects, depending on the way it is drunk. Drink ROI fast and warm to accelerate bowel activity. Drink ROI slow and cool to increase mineral reabsorption.

As magnesium is responsible for the regulation of the overall nervous and muscular system, the most magnesium-rich mineral water in the world is an ideal answer to your rich lifestyle.

what we do


PE polnilnica
Spodnje Negonje 32A
3250 Rogaška Slatina, Slovenia, EU

+386 3 811 40 06



how can we help you?

Contact us or submit a business inquiry online.

As a president of Global Cleveland, I fully support the Slovenian-American Business Association and I look forward to working with them on their future projects to improve business relations between the Republic of Slovenia and the City of Cleveland.

Joe Cimperman
President, Global Cleveland

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