Rocks Ship Free Flat Rate to the Continental U.S.
Finnish Sauna Heater Rocks (25lbs / 11.5 kg). These sauna rocks can be used in most brands of electric (8kW & under), gas or wood burning sauna heaters. Proper size and type of rocks should be used to comply with heater warranty and avoid electric element damage. This amount of rocks is also great for heater brands that do not include rocks. Igneous sauna rocks are the proper density to evenly hold and release heat, as well as provide a large surface area to generate steam. Finnish sauna rocks are safe, odorless and resistant to cracking and splitting. Rocks are chipped to proper size to fit between electric elements.