Pumice is a porous volcanic rock with a neutral pH level. The tiny pores on the surface of the pumice act as microscopic reservoirs to absorb and store nutrient-rich moisture, vitamins, and minerals. Pumice is a 100% NATURAL growing media that provides an ideal balance of moisture retention, gas exchange, and draining capabilities. Using our pumice as a growing media can immensely improve the quality and growability of soils; it acts as an aeration system, retains moisture, and supplies and holds nutrients in the root zone. USING PUMICE: -Improves the quality and growability of soils -Saves on Water Costs & Drastically Improves Water Conservation -Is Rich in Vital Horticulture Minerals & Nutrients -Acts as an aeration system, allowing more oxygen to the soil -Retains moisture; each pumice stone acts as a sponge & absorbs water -Supplies and holds nutrients in the root zone. ______ NOTE: Bag weight can fluctuate between 12-13lbs, depending on bucket weights & time of year. 3 Gallon Bag Garden Pumice (1/8″ stone) Pumice is a 100% NATURAL growing media Helps prevent overwatering succulents Gives soil better oxygen flow & drainage! Rich in Minerals & Nutrients that help growth