![Down To Earth Azomite SR Powder - [hydropros]](http://hydropros.com/cdn/shop/files/723630-01-533226_500x500.jpg?v=1717701755)
Slow-release grade of Azomite™ volcanic minerals with particle sizes ranging from 4 to 200 mesh. Ideal for blending with other fertilizer materials and amendments as a trace mineral resource to help meet complete plant nutritional needs. An economical way to fortify and re-mineralize soils, composts and potting mediums.