Ag Granular

Sized to blend well with most other agricultural grade nutrient sources and performs well in broadcast spreaders. Typical SGN 306/UI 42.

Mid Granular

Sized for use in horticulture. Typical SGN 220/UI 58.

Choice Granular

Suitable for blends typically used in horticulture. Also well suited for direct application fertilization, especially slow release. Typical SGN 140/UI 66.

Standard / Industrial Fines

Typical SGN 28 / UI 12

Soluble Fines

Fine screened for rapid dissolution in making liquid fertilizer solutions and suspensions. Protassium+® Soluble Fines is produced naturally near Ogden, Utah and available in 50 pound bags, 2,000 pound bags, and bulk via truck & rail. Compass Minerals does not use animal manure or any form of waste in the production of Protassium+.