They went above and beyond to get me what I needed for my project.
They helped me order the exact correct amount of material, and saved me thousands in the process.
Best selection of DG, and Chris gives the best price. Great guy to work with.
Easy to work with, fast delivery, great product. Thank you!
Outstanding service and selection. They helped source hard-to-find materials with great pricing.
I’ve ordered from them before and will definitely order again, and they consistently exceed my expectations.
Fantastic selection and great customer service. We saved a lot of money doing it ourselves.
Chris was very helpful in figuring out what I needed for my driveway project.
E.B. Stone
Authorized E.B. Stone Retailer Organic soils and fertilizers, made in California since 1914.
Why buy this from Earth Stone Rock
Everything you need to know before ordering.
E.B.Stone Naturals Sul-Po-Mag is a naturally occurring crystalline material known as langbeinite. It is an excellent source of readily available Sulfur, Potassium and Magnesium. Potassium encourages root growth and increases plant resistance to disease. Magnesium aids in the green coloring of plants. Sulfur aids in the use of nitrogen fertilizer by the plant and helps lower a soils pH. NPK: 0-0-20 Derived from: Sulfate of Potash Magnesia.
