Lightweight Pumice Concrete Sand Aggregate Concrete Sand+:45 lbs. (full-sized production bag) Ponics Stone Granular is ideal

Ponics Stone Granular is ideal for root cuttings and other propagation uses

Pumice Gives Compost an Enduring Structural Element

they belong in the same organic-waste-to-blackgold process—and the same soil-improvement calculation

gas exchange

Lightweight Pumice Concrete Sand Aggregate Concrete Sand+:45 lbs. (full-sized production bag) Ponics Stone Granular is idealLightweight Concrete Sand+ Lightweight pumice sand + tiny 1 8 inch stones. Use in lighweight mortars and as an additive to the lightweight craft aggregate when more sand content is desired. About Pumice: Pumice is literally a foamed stone, formed in the awesome heat and violence of a volcano. Pumice stonesincluding the sandare riven with nooks and crannies and air pockets that provide the lightweight character and insulative quality..