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PRODUCT DESCRIPTION: Pumice is a highly vesicular igneous rock, white in color made from a volcanic eruption. Pumice has an average porosity of 90%. Pumice is formed as pyroclastic material is ejected into the air as a froth containing masses of gas bubbles or vesicles, the lava solidifies quickly and the vesicles are contained in the rock. Soils pumice has been screened on a 3/16" screen to provide an excellent additive to greenhouse mixes. Because pumice is lightweight, highly absorbent, and provides superior aeration, it is an excellent additive in planting mediums. PRODUCT USES: Pumice is recommended for use in soil less greenhouse production mixes, where it is important to maintain a rather lightweight, aerated, well-draining soil. Pumice can also be blended into native soils where aeration needs to be improved. Pumice is also widely used to make lightweight concrete. PRODUCT APPLICATION: Pumice can be blended into a custom soil mix to meet your specifications. Please call us with your detailed requirements. PRODUCT ANALYSIS:
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