Harvia sauna stones smooth grey heat-retaining stones for sauna heating accessories

Harvia R-991 Rounded Sauna Stones Olivine Diabase

Regular price$89.00
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Harvia R-991 Rounded Sauna Stones — Olivine Diabase (33 lb Box)

Natural-Looking Stones for Softer, Smoother Steam

Transform your sauna experience with Harvia R-991 rounded sauna stones. Crafted from pure, gray olivine diabase, these stones resemble nature’s smooth river rocks and deliver exceptionally soft, gentle steam. Carefully selected and clean, they contain no harmful ingredients, making them safe for sauna use.

To optimize performance and stone lifespan, stack loosely to ensure proper airflow. If your heater has limited stone capacity, place angular stones in the bottom layer for enhanced heat transfer, then top with these rounded stones for the gentlest steam finish.

Key Features

  • Elegant rounded stones—mimicking the look of riverside stones for natural aesthetic
  • Gray olivine diabase—clean, safe, and durable material
  • Soft, gentle steam for enhanced sauna comfort
  • Loose stacking recommended to maintain airflow and heater life
  • Tip: Use angular stones on bottom layers for better heat transfer with tight-stone heaters
  • No harmful ingredients—safe for sauna environments

What’s Included

  • 33 lb (15 kg) box of sauna stones, sized 2"–4" (5–10 cm)

Specifications

Specification Details
Brand Harvia
Model R-991 Rounded Sauna Stones
Material Gray olivine diabase
Stone Size Range 2"–4" (5–10 cm)
Box Weight 33 lb (15 kg)
Safety No harmful ingredients

Installation & Use Tips

  • Rinse stones before initial use to remove any dust.
  • Stack loosely to promote airflow and ensure heater longevity.
  • For compact heaters, use angular stones below and rounded stones on top for optimal heat and steam.
  • Inspect stones periodically; replace if cracked or deteriorated.

Shipping & Support

Fast, secure shipping across the continental USA. Completing your sauna setup? Contact us for bundle pricing on Harvia stones, heaters, and accessories.

Why Buy from MyLuxuryHomeSpa.com?

  • Authorized Harvia dealer with professional guidance
  • High-quality sauna essentials and accessories
  • Secure checkout and responsive customer care
Pro tip: Rotating stones every 6–12 months helps maintain even heat distribution and steam quality.
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