Hard, durable and stylish. Black vulcanite heater stones are dark grey in color but when splashed with water shimmer a glossy black. Because of this stone’s volcanic origins, it is naturally effective at conducting heat and resistant to heat fluctuations.
- Good for steam generation, the broad sharp split face stones effectively creates steam when splashed with water.
- Easy to stack in any size heater enabling good air circulation and a more consistent heat.
