Peat moss comes in many grades
Field grades of peat moss are screened, blended and processed to achieve specific physical properties for market grades and intended use. Market grades are based on coloration of the peat moss and the particle size passing through different mesh screen sizes (10, 20, 50 and 100 mesh screens).
Some of the common market grades include black peat, coarse/chunk peat, horticulture grade, fine, forestry and so forth.
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