Tag Archives: horticultural soil amendment

10 Questions and Answers about Pumice

What is pumice? Pumice is a volcanic rock that forms when lava with high levels of gas and water is ejected from a volcano and rapidly cools. What are some common uses for pumice? Pumice is commonly used as a lightweight aggregate in concrete, as an abrasive in polishes and cleaners, and as a horticultural… Read More »