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  • ROI – Natural Sparkling Mineral Water | Slovenia
  • ROI – Natural Sparkling Mineral Water | Slovenia
  • ROI – Natural Sparkling Mineral Water | Slovenia
Origin: Slovenia 🇸🇮

ROI – Natural Sparkling Mineral Water | Slovenia

$35.00
$35.00
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Sourced from the historic springs of Rogaška Slatina in Slovenia, ROI is one of the most mineral-rich natural waters in the world. Formed over millennia and naturally carbonated at the source, it carries a composition defined by extraordinary density and precision.

With a Total Dissolved Solids level of 7,481 mg/L and exceptionally high magnesium content, ROI delivers a deeply structured and functional profile. Its fine, persistent effervescence carries a pronounced mineral presence, creating a saline, long finish that lingers with clarity.

Traditionally valued for its restorative properties, ROI is both a gastronomic and functional water—designed to support digestion, replenish minerals, and bring depth to the table.

Why We Love It:

At Rienne, we value water with purpose. ROI stands as a rare expression of mineral intensity—structured, restorative, and deeply rooted in tradition. A water that supports the body while elevating the experience of the table.

Rienne Water Profile:

Format: 500 ml glass bottle
Origin: Rogaška Slatina, Slovenia
Type: Naturally Sparkling Mineral Water

Minerality: Exceptionally High (7,481 mg/L TDS)
Structure: Dense, structured
pH Profile: Slightly Alkaline
Texture: Fine, persistent effervescence
Finish: Clean, saline, long

Character: Structured • Mineral-Rich • Restorative

When to Choose This:

  • After meals (digestive support)
  • Moments of mineral replenishment
  • Long or multi-course dining
  • Functional hydration needs
  • When intensity and structure are desired

Why It Works:

→ Exceptionally high magnesium content supports recovery
→ Dense mineral structure aids digestion
→ Saline profile enhances and resets the palate

Rienne is an official U.S. distributor of ROI Water, ensuring authenticity, optimal quality, and direct access to this rare, mineral-rich natural water.

Decisively mineral-forward with a smooth salinity and fine bubbles. The magnesium gives it an unmistakable body — grounding, slightly bitter, deeply satisfying.

Our curated expressions are crafted to be experienced with intention. Unlike traditional spirits, their compositions are not designed around alcohol’s structure, and therefore do not follow the same ratios or profiles. Their character reveals itself through mindful preparation — in recipes, pairings, and small rituals that allow aroma, texture, and nuance to unfold.

For inspired serves, we invite you to explore The Pour, a space devoted to elevating the way each expression is enjoyed.

Should you wish for a more personal approach, our Concierge Team is always at your service at corcierge@rienne.co.