Volcanic rock is commonly known as pumice or porous basalt.It contains dozens of minerals and trace elements such as sodium, magnesium, aluminum, silicon, calcium, and has far infrared magnetic waves without radiation Landscaping, water filtration, soilless cultivation, soil improvement, paving.
Product name
Volcanic rock
Type
4 types:Volcanic powder/Volcanic stone ball/volcanic rock/foot grinding stone
Color
Red/black/yellow/green/white
Application
Water filtration/landscaping/pavement/aquaculture,etc