This is the BuildASoil Way! Pumice makes soil that lasts forever and is more sustainable than throwing your potting soil away after each use. 3/8″ x 1/4″ Pumice is perfect for potting soil. Optimizes drainage Retains and evenly distributes moisture and nutrients Promotes strong root growth Improves root aeration Low Heavy Metals Does not contain clay or organic material (i.e. montmorillonite, illite, kaolinite) Minimizes root diseases Clean from disease or weed seeds and environmentally friendly
