{"product_id":"harvia-olivine-diabase-sauna-heater-stones-rounded-5-10cm","title":"Harvia Olivine Diabase Sauna Heater Stones, Rounded, 5-10cm","description":"\u003c!-- Harvia R-991 Olivine Diabase Sauna Heater Stones, Rounded, 5-10 cm, 15 kg --\u003e\u003c!-- Harvia EU page: \"Sauna heater stones Harvia rounded 5-10 cm 15 kg\", R-991, net\/gross 14.87 kg, package 120 H x 280 W x 360 D mm, olivine diabase, grey, rounded, EAN 9120053860831, interior wet area | BB: rounded stones from rapids, top layer, gentle steam, angular stones for bottom layers esp. small stone capacity, electric heaters + wood stoves, even heat distribution, sold only with purchase of a Harvia heater\/stove, each stone unique -\u003e buy extra box | WCSaunas + Recovery for Athletes + The Sauna Heater: 33 lb (15 kg) box, 2-4 in, one box included, loose piling | BB mentions R-995 in compatibility sentence - typo ignored | Coverage terms: none - omitted | Manual: no URL --\u003e\n\u003cstyle\u003e\n  .cp { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: #1a2a3a; max-width: 900px; width: 100%; margin: 0 auto; line-height: 1.6; }\n  .cp * { box-sizing: border-box; }\n  .cp img { max-width: 100%; height: auto; }\n  .cp h4 { font-weight: 700 !important; color: #0f172a !important; margin: 1.5rem 0 0.5rem; line-height: 1.3; }\n  .cp h5 { font-weight: 700 !important; color: #0f172a !important; margin: 0 0 0.5rem; line-height: 1.3; }\n  .cp-hook { font-weight: 500 !important; line-height: 1.75 !important; color: #0f172a !important; padding: 1.1rem 1.4rem; background: #e8f0fa; border-left: 3px solid #2563a8; border-radius: 0 6px 6px 0; margin: 1.5rem 0; }\n  .cp-badges { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 1.75rem; }\n  .cp-badge { background: #e8f0fa; color: #2563a8; font-size: 12px; font-weight: 600; padding: 5px 11px; border-radius: 4px; border: 1px solid #bfd4ef; white-space: normal; max-width: 100%; }\n  .cp-desc p { font-weight: 500 !important; line-height: 1.75 !important; color: #0f172a !important; margin: 0 0 1rem; }\n  .cp-desc p:last-child { margin: 0; }\n  .cp .cp-spec-table { width: 100% !important; max-width: 100% !important; table-layout: fixed !important; border-collapse: collapse; font-size: 15px; }\n  .cp-spec-table tr:nth-child(odd) { background: #f8fafc; }\n  .cp .cp-spec-table td { padding: 9px 12px; border: 1px solid #e2e8f0; vertical-align: top; white-space: normal !important; overflow-wrap: anywhere; word-break: normal; min-width: 0; }\n  .cp-spec-table td:first-child { color: #64748b; width: 40%; }\n  .cp-spec-table td:last-child { font-weight: 700 !important; color: #0f172a !important; }\n  .cp-spec-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; max-width: 720px; width: 100%; align-items: start; }\n  .cp-spec-grid \u003e div { min-width: 0; }\n  .cp-spec-block { margin-bottom: 1.5rem; min-width: 0; }\n  .cp-spec-block h4 { font-size: 16px; font-weight: 700 !important; color: #0f172a !important; margin: 1.5rem 0 0.6rem; padding-bottom: 0.4rem; border-bottom: 2px solid #2563a8; display: inline-block; }\n  .cp-inc-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0 1.25rem; }\n  .cp-inc-item { font-weight: 500 !important; color: #0f172a !important; padding: 10px 0 10px 22px; position: relative; border-bottom: 1px solid #e2e8f0; line-height: 1.5 !important; }\n  .cp-inc-item::before { content: \"\"; position: absolute; left: 4px; top: 16px; width: 6px; height: 6px; border-radius: 50%; background: #2563a8; }\n  .cp-feat-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }\n  .cp-feat { background: #fff; border: 1px solid #e2e8f0; border-radius: 6px; padding: 0.9rem 1rem; }\n  .cp-feat-title { font-weight: 700 !important; color: #0f172a !important; margin-bottom: 6px; display: flex; align-items: center; gap: 7px; line-height: 1.3; }\n  .cp-feat-title::before { content: \"\"; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: #2563a8; flex-shrink: 0; }\n  .cp-feat p { font-weight: 500 !important; color: #0f172a !important; line-height: 1.6 !important; margin: 0; font-size: 14px; }\n  .cp-brand1, .cp-brand2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2rem; align-items: center; padding: 1.5rem 0; }\n  .cp-brand-img { width: 100%; height: auto; border-radius: 8px; display: block; }\n  .cp-brand-tag { display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: 0.09em; text-transform: uppercase; color: #2563a8; background: #e8f0fa; border: 1px solid #bfd4ef; border-radius: 4px; padding: 4px 10px; margin-bottom: 0.75rem; }\n  .cp-brand1 h4, .cp-brand2 h4 { font-size: 22px !important; font-weight: 700 !important; color: #0f172a !important; margin: 0 0 0.75rem; line-height: 1.3 !important; }\n  .cp-brand1 p, .cp-brand2 p { font-weight: 500 !important; line-height: 1.75 !important; color: #0f172a !important; margin: 0 0 0.9rem; }\n  .cp-brand1 p:last-child, .cp-brand2 p:last-child { margin: 0; }\n  .cp-check { list-style: none; padding: 0; margin: 1rem 0 0; }\n  .cp-check li { font-weight: 500 !important; line-height: 1.6 !important; color: #0f172a !important; padding: 10px 0 10px 22px; position: relative; border-bottom: 1px solid #e2e8f0; }\n  .cp-check li:last-child { border-bottom: none; }\n  .cp-check li::before { content: \"\"; position: absolute; left: 4px; top: 16px; width: 7px; height: 7px; border-radius: 50%; background: #2563a8; }\n  .cp-check li strong { color: #0f172a !important; font-weight: 700; }\n  .cp-notice { background: #eff6ff; border: 1px solid #bfd4ef; border-radius: 6px; padding: 0.9rem 1.1rem; margin-bottom: 1.5rem; font-weight: 500 !important; color: #1e3a5f !important; line-height: 1.6 !important; font-size: 14px; }\n  .cp-notice-yellow { background: #fffbeb; border: 1px solid #fcd34d; border-radius: 6px; padding: 0.9rem 1.1rem; margin-bottom: 1.5rem; font-weight: 500 !important; color: #78350f !important; line-height: 1.6 !important; font-size: 14px; }\n  .cp-manual { background: #fff; border: 1px solid #e2e8f0; border-radius: 6px; padding: 1.25rem 1.5rem; margin-bottom: 1.5rem; }\n  .cp-manual-item { margin-bottom: 1.25rem; padding-bottom: 1.25rem; border-bottom: 1px solid #e2e8f0; }\n  .cp-manual-item:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }\n  .cp-manual-item h6 { font-size: 14px; font-weight: 700 !important; color: #0f172a !important; margin: 0 0 0.5rem; }\n  .cp-doc-link { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; font-weight: 500; color: #4a5568; background: #fff; border: 1px solid #d1d5db; border-radius: 5px; padding: 8px 14px; text-decoration: none; max-width: 100%; word-break: break-word; }\n  .cp-doc-link:hover { background: #e8f0fa; border-color: #bfd4ef; color: #2563a8; }\n  .cp-divider { border: none; border-top: 1px solid #e2e8f0; margin: 1.75rem 0; }\n\n  @media (max-width: 768px) {\n    .cp-feat-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }\n    .cp-spec-grid { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }\n    .cp-brand1, .cp-brand2 { grid-template-columns: minmax(0, 1fr); gap: 1rem; padding: 1rem 0; }\n    .cp-brand2 { display: flex; flex-direction: column-reverse; }\n    .cp-brand1 h4, .cp-brand2 h4 { font-size: 18px !important; }\n  }\n\n  @media (max-width: 480px) {\n    .cp { padding: 0; }\n    .cp-feat-grid { grid-template-columns: minmax(0, 1fr); gap: 8px; }\n    .cp-feat { padding: 0.8rem 0.9rem; }\n    .cp-inc-grid { grid-template-columns: minmax(0, 1fr); }\n    .cp-spec-grid { gap: 1.25rem; }\n    .cp-spec-table, .cp-spec-table tbody, .cp-spec-table tr, .cp-spec-table td { display: block; width: 100%; }\n    .cp-spec-table { border: none; }\n    .cp-spec-table tr { border: 1px solid #e2e8f0; border-radius: 6px; margin-bottom: 6px; padding: 8px 12px; background: #fff !important; }\n    .cp-spec-table tr:nth-child(odd) { background: #f8fafc !important; }\n    .cp-spec-table td { border: none; padding: 1px 0; }\n    .cp-spec-table td:first-child { font-size: 10px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: #64748b; width: 100%; padding-bottom: 2px; }\n    .cp-spec-table td:last-child { font-size: 15px; font-weight: 700 !important; color: #0f172a !important; width: 100%; word-wrap: break-word; overflow-wrap: break-word; }\n    .cp-divider { margin: 1.25rem 0; }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"cp\"\u003e\n\u003cdiv class=\"cp-desc\"\u003e\n\u003ch2 class=\"product-meta__title heading h3\"\u003eHarvia R-991 Olivine Diabase Sauna Heater Stones, Rounded, 5-10 cm, 15 kg\u003c\/h2\u003e\n\u003cdiv class=\"@app\"\u003e\n\u003cdiv class=\"shopify-block shopify-app-block\" id=\"shopify-block-AVDBwR2VFTVRTRFphd__a85eace0-7976-4319-9804-004cb28d3e5f\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe Harvia R-991 is a 33 lb (15 kg) box of rounded gray olivine diabase sauna stones, 2-4 in (5-10 cm) in size. The rounded shape resembles stones from the great rapids and is meant for the top layer of a sauna heater, where it produces a gentle, soft steam and lets the water flow down to the lower layers. They work in electric heaters and wood-burning stoves.\u003c\/p\u003e\n\u003ch4\u003eRounded on top, angular below\u003c\/h4\u003e\n\u003cp\u003eHarvia recommends angular stones for the bottom layers, especially in heaters with a smaller stone capacity, and the rounded R-991 stones for the top layer. Check your heater's manual for the right stone size and amount, and pile the stones loosely so air can circulate.\u003c\/p\u003e\n\u003ch4\u003eGood to know before you order\u003c\/h4\u003e\n\u003cp\u003eEach natural stone is unique in shape and size, so Harvia suggests buying an extra box to pick the best-fitting stones. Harvia sells these stones only together with a Harvia sauna heater or stove. Please contact us about adding a box to your heater order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cp-hook\"\u003eRounded gray olivine diabase sauna stones for the top layer of your heater. 5-10 cm (2-4 in), 15 kg (33 lbs) box. Gentle, soft steam, for electric heaters and wood-burning stoves.\u003c\/div\u003e\n\u003cdiv class=\"cp-badges\"\u003e\n\u003cspan class=\"cp-badge\"\u003eSauna heater stones\u003c\/span\u003e \u003cspan class=\"cp-badge\"\u003eOlivine diabase\u003c\/span\u003e \u003cspan class=\"cp-badge\"\u003eRounded\u003c\/span\u003e \u003cspan class=\"cp-badge\"\u003e5-10 cm (2-4 in)\u003c\/span\u003e \u003cspan class=\"cp-badge\"\u003e15 kg (33 lbs)\u003c\/span\u003e \u003cspan class=\"cp-badge\"\u003eTop layer\u003c\/span\u003e\n\u003c\/div\u003e\n\u003chr class=\"cp-divider\"\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"cp-spec-grid\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"cp-spec-block\"\u003e\n\u003ch4\u003eProduct details\u003c\/h4\u003e\n\u003ctable class=\"cp-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHarvia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ item no.\u003c\/td\u003e\n\u003ctd\u003eR-991\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHarvia name\u003c\/td\u003e\n\u003ctd\u003eSauna heater stones Harvia rounded 5-10 cm 15 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEAN\u003c\/td\u003e\n\u003ctd\u003e9120053860831\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eSauna heater stones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eOlivine diabase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eGray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShape\u003c\/td\u003e\n\u003ctd\u003eRounded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStone size\u003c\/td\u003e\n\u003ctd\u003e5-10 cm (2-4 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironment\u003c\/td\u003e\n\u003ctd\u003eInterior, wet area\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cp-spec-block\"\u003e\n\u003ch4\u003eWeight and packaging\u003c\/h4\u003e\n\u003ctable class=\"cp-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e14.87 kg (about 33 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage size\u003c\/td\u003e\n\u003ctd\u003e14.17 x 11.02 x 4.72 in (360 x 280 x 120 mm) (D x W x H)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"cp-spec-block\"\u003e\n\u003ch4\u003eUse\u003c\/h4\u003e\n\u003ctable class=\"cp-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeaters\u003c\/td\u003e\n\u003ctd\u003eElectric heaters and wood-burning stoves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest layer\u003c\/td\u003e\n\u003ctd\u003eTop layer of the heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom layers\u003c\/td\u003e\n\u003ctd\u003eAngular stones recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStacking\u003c\/td\u003e\n\u003ctd\u003ePile loosely for good air circulation, per dealers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold with\u003c\/td\u003e\n\u003ctd\u003eOnly with the purchase of a Harvia sauna heater or stove\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr class=\"cp-divider\"\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cdiv class=\"cp-inc-grid\"\u003e\n\u003cdiv class=\"cp-inc-item\"\u003e1 box of Harvia R-991 rounded olivine diabase stones, 15 kg (33 lbs)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 1rem; font-weight: 500; color: #64748b; font-size: 14px;\"\u003e\u003cstrong\u003eNot included:\u003c\/strong\u003e the heater and angular stones for the lower layers. Check your heater's manual for the right stone size and amount.\u003c\/p\u003e\n\u003chr class=\"cp-divider\"\u003e\n\u003ch3\u003eWhy the Harvia R-991 stands out\u003c\/h3\u003e\n\u003cdiv class=\"cp-feat-grid\"\u003e\n\u003cdiv class=\"cp-feat\"\u003e\n\u003cdiv class=\"cp-feat-title\"\u003eSofter steam\u003c\/div\u003e\n\u003cp\u003eThe rounded shape gives gentle steam and lets water flow down to the lower layers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cp-feat\"\u003e\n\u003cdiv class=\"cp-feat-title\"\u003eRounded like rapids stones\u003c\/div\u003e\n\u003cp\u003eResembles nature's rounded stones from the great rapids.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cp-feat\"\u003e\n\u003cdiv class=\"cp-feat-title\"\u003eOlivine diabase\u003c\/div\u003e\n\u003cp\u003eGray olivine diabase stones, 5-10 cm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cp-feat\"\u003e\n\u003cdiv class=\"cp-feat-title\"\u003eElectric or wood\u003c\/div\u003e\n\u003cp\u003eFor electric heaters and wood-burning stoves.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cp-feat\"\u003e\n\u003cdiv class=\"cp-feat-title\"\u003eEven heat\u003c\/div\u003e\n\u003cp\u003eDesigned for consistent heat distribution.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cp-feat\"\u003e\n\u003cdiv class=\"cp-feat-title\"\u003eAuthorized Harvia dealer\u003c\/div\u003e\n\u003cp\u003eWe are an authorized Harvia dealer and can help you choose the right stones for your heater.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr class=\"cp-divider\"\u003e\n\u003ch3\u003eAbout Harvia\u003c\/h3\u003e\n\u003cdiv class=\"cp-brand1\" style=\"text-align: start;\"\u003e\n\u003cimg alt=\"Harvia R-991 rounded olivine diabase sauna heater stones\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0767\/1690\/0634\/files\/Harvia-R-991-1.jpg?v=1793116242\" class=\"cp-brand-img\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"cp-brand-tag\"\u003eHarvia - R-991 - Sauna Heater Stones\u003c\/span\u003e\n\u003ch4\u003eHarvia R-991. Rounded stones for a softer steam.\u003c\/h4\u003e\n\u003cp\u003eHarvia is a Finnish sauna and spa company established in 1950. The R-991 is a 15 kg box of rounded olivine diabase stones, 5-10 cm, for the top layer of its electric heaters and wood-burning stoves. We are an authorized Harvia dealer.\u003c\/p\u003e\n\u003cul class=\"cp-check\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eRounded olivine diabase\u003c\/strong\u003e stones\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-10 cm\u003c\/strong\u003e (2-4 in), 15 kg box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSofter steam\u003c\/strong\u003e on the top layer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric and wood\u003c\/strong\u003e heaters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Harvia","offers":[{"title":"Default Title","offer_id":53235575488794,"sku":"R-991","price":102.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/1690\/0634\/files\/Harvia-Sauna-Stones-R-991.png?v=1793119372","url":"https:\/\/mediriser.com\/products\/harvia-olivine-diabase-sauna-heater-stones-rounded-5-10cm","provider":"Mediriser","version":"1.0","type":"link"}