{"product_id":"harvia-sauna-rocks-olivine-grey","title":"Harvia Sauna Rocks | Olivine Grey","description":"\u003ch2\u003e\u003cspan\u003eHarvia Olivine Diabase sauna stones: dense, durable, built for authentic löyly\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eHarvia’s Olivine Diabase sauna rocks are sourced from Western Finland, a region known for producing high quality subvolcanic stone. Finished in a natural dark grey, these rocks are prized for their density and durability, allowing them to store and release heat efficiently over repeated heating cycles. That efficient heat retention translates into strong, consistent steam (löyly) for a more authentic sauna experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSupplied in a 20kg box with stones sized 10-15cm, these rocks suit a wide range of sauna heaters and are a reliable, traditional choice for anyone wanting long-lasting performance without compromising on heat quality.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e20kg box, stone size 10-15cm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSourced from Western Finland’s subvolcanic rock deposits\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eDense composition for excellent heat storage and retention\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eWithstands repeated heating and cooling without breaking down\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eProduces optimal steam for a genuine sauna experience\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eCompatible with most sauna heater models\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eNote: heavy item shipping rates apply for this item\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tasman Saunas","offers":[{"title":"Default Title","offer_id":55840697155657,"sku":null,"price":180.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/0998\/2025\/files\/Untitled-1.png?v=1784852869","url":"https:\/\/www.tasmansaunas.com\/products\/harvia-sauna-rocks-olivine-grey","provider":"Tasman Saunas","version":"1.0","type":"link"}