Expert help that stays with you

Small details become expensive problems once installation begins. We ask the questions early, so a mismatched part, an overlooked requirement or an installation issue gets caught while it is still easy to fix.

Our job does not end when your order ships. We stay available through installation and beyond. If something needs attention, we stay involved, work the problem, and help see it through.

We want you to feel good about choosing Sauna Marketplace long after your first session, and confident recommending us to a friend. That standard guides the advice we give, the products we sell, and the way we take care of our customers.

Sauna and heater customers also receive free shipping on sauna accessories for life.

Planning a sauna, or need help with one you purchased from us? Our founders have built saunas from the crate up and both run saunas at home. New customers and existing Sauna Marketplace sauna and heater owners can Ask a product question.

Includes

What Is Included

All configurations

Included with purchase

33 lb box of 2" to 4" round olivine sauna stones.

Contents vary by configuration. Check the row for the option selected above.

How It Fits

How This Product Fits the System

What it is used for

Sauna stones that store heat and create löyly when water is applied. Match stone size, type, and total weight to the exact heater; this listing is not a universal quantity recommendation.

What to plan

Start with the heater, chimney, or control model, not the brand alone, then confirm the accessory part number and configuration.
Optional accessories are not required unless the selected product or installation manual says otherwise.
Replacement and installation parts must follow the current system manual, clearances, and local code.

Products that use this item

This item is used by the following products.

HUUM HIVE Wood-Burning Sauna Stove | 13, 17 & 17 LS Required for operation with the linked product.
HUUM DROP Electric Sauna Heater | 4.5, 6, 7.5 & 9 kW Required for operation with the linked product.
HUUM HIVE Electric Sauna Heater with Included Air Tunnel | 12, 15 & 18 kW Required for operation with the linked product.
HUUM HIVE Flow Wood-Burning Sauna Stove | Mini, Full & LS Required for operation with the linked product.
HUUM HIVE Mini Electric Sauna Heater | 6, 9 & 10.6 kW Required for operation with the linked product.
HUUM CORE Electric Sauna Heater with Wooden Exterior | Black or Stainless Inlay, 6.5-10.5 kW Required for operation with the linked product.

Attachments

HUUM Heater and Stone Requirements - distributor guide, 2025-12

Current US HUUM stone matrix. HIVE Mini requires 330 to 331 lb of 2 to 4-inch Stones 24, supplied as ten 33-lb boxes.

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Gallery

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HUUM Stones 24 | Rounded 2 to 4-Inch Sauna Stones, 33 lb

Name: HUUM Stones 24 | Rounded 2 to 4-Inch Sauna Stones, 33 lb
Brand: HUUM
SKU: H3099021
Price: 80.00 USD
Availability: InStock
Rating: 5.00 (1 reviews)

One 33-lb box of rounded 2 to 4 in HUUM sauna stones. Choose the size and box count specified for your exact heater.

Choosing the heater too? Start with HUUM DROP, HUUM CORE, HUUM HIVE Mini, HUUM HIVE, HUUM HIVE Wood, HUUM HIVE Flow to size the heater and choose the rest of your package.

Choose your HUUM DROP package →

Build Your Quote:

$80.00

Pay over time:

Pay with HSA/FSA:

The rounded stone size for DROP, CORE and HIVE

One 33-lb box of rounded 2 to 4 in HUUM sauna stones. Choose the size and box count specified for your exact heater.

Choosing the heater too? Start with HUUM DROP, HUUM CORE, HUUM HIVE Mini, HUUM HIVE, HUUM HIVE Wood, HUUM HIVE Flow to size the heater and choose the rest of your package.

Choose your HUUM DROP package →

Order by box, size and heater

The price is for one 33-lb box. It is not a full heater fill. DROP uses four boxes; CORE uses three. HIVE Mini and full-size HIVE have larger, model-specific fills. HIVE Wood and HIVE Flow quantities vary by size.

Buying replacement stones?

Buy the boxes you need for an existing heater, or choose the heater first to order its full stone package.

Loading and care

Rinse the stones before loading. Follow the heater manual for loading order and airflow around the elements. Inspect and restack regularly, removing cracked or crumbling stones.

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Reviews from owners

Reviews left on SaunaMarketplace.com and notes owners sent our team, word for word. Every rating goes through the same check before it appears, and names are shortened to a first name and last initial. A verified buyer bought it here.

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Photos from owners

HUUM Stones 24 river rock sauna stones stacked on the wooden floor base of a customer's home sauna heater in Oregon — A top-down look at HUUM Stones 24 stacked on the wooden floor base of a home sauna. Photo: James N.

★★★★★Jun 2024

Rated 5 out of 5, no written review.

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Expert help that stays with you

Our job does not end when your order ships. We stay available through installation and beyond. If something needs attention, we stay involved, work the problem, and help see it through.

Sauna and heater customers also receive free shipping on sauna accessories for life.

Includes