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HUUM Rounded Sauna Stones - Product Details
  • Product Description
  • What It Includes
  • Key Features
  • Specifications
  • Stone Calculator

Complete the Authentic Look

Complete the look of your HUUM sauna heater with authentic HUUM Rounded Sauna Stones. Unlike traditional jagged rocks, these stones are tumbled to a smooth, organic shape that perfectly complements the artistic design of heaters like the DROP and HIVE.

Superior Steam Quality

Beyond aesthetics, the rounded shape serves a vital function. It allows water to trickle down between the stones to the lower layers rather than evaporating instantly on the surface. This generates a softer, more consistent steam (*löyly*) that is gentle on the skin and lasts longer. Mined from durable Olivine Diabase, these stones possess a high heat capacity and are resistant to fracturing under extreme thermal cycling.

What's Included

  • 1 x Box of Rounded Sauna Stones (Approx. 33 lbs / 15 kg)

Installation Tip

Always wash stones with water to remove dust before placing them in the heater. Stack stones loosely to ensure air can circulate between them; do not force them into place or wedge them between heating elements.

Key Features

Authentic Rounded Shape Designed specifically to match the aesthetic of HUUM heaters (DROP, HIVE, CLIFF, STEEL).
Superior Steam Quality The smooth surface allows water to reach inner stone layers, creating a mild and enduring steam.
High Heat Capacity Heavy, dense Olivine Diabase stores heat efficiently to keep your sauna hot.
Improved Airflow Rounded stones stack easily without locking together too tightly, ensuring proper airflow for the heating elements.
Chemical Free 100% natural stone, washed and tumbled without synthetic coatings.

Technical Specifications

Available Variants

Select the correct size based on your heater model.

Variant Size Range Best For
Small (Standard) 2" - 4" (5-10 cm) The primary stone for HUUM DROP, HIVE, FLOW, and CORE heaters. Fills the main cavity.
Extra Small 1" - 2" (3-5 cm) Designed for HUUM STEEL and CLIFF heaters, or for filling tight gaps in other models.

Product Details

Material Natural Olivine Diabase
Weight per Box 33 lbs (15 kg)
Color Natural Grey (Reddish/Grey tone varies by batch)
Treatment Tumbled/Rounded

⚠️ Stone Calculator

How many boxes do you need for your heater?

Heater Model Requirement
HUUM DROP 4.5kW Requires ~4 Boxes (122 lbs)
HUUM DROP 6kW - 9kW Requires ~4 Boxes (122 lbs)
HUUM HIVE MINI (6-10.5kW) Requires ~10 Boxes (330 lbs)
HUUM HIVE (12-18kW) Requires ~16 Boxes (528 lbs)
HUUM CLIFF / STEEL Requires ~5-10 Boxes depending on size (Check manual)

Our Mission

Person in a white robe standing in a modern sauna room with a large window and bathroom setup. Person in a white robe standing in a modern sauna room with a large window and bathroom setup.

Wellness Without Boundaries

Trusted By Global Brands

At Healari, we believe wellness should move with you. Each month, we partner with leading wellness brands to commission exclusive builds—bringing you cutting-edge, curated solutions that adapt to your lifestyle, not the other way around.

Whether you’re an overworked parent, a traveling athlete, or simply seeking balance, our products deliver luxury, comfort, and recovery wherever life takes you.

Healari empowers ambitious lives to relax, recharge, and restore—without compromise.