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    ​Screen Fiber or Not?

    One of the most common questions asked by professionals in the colored mulch industry is, "Should I screen my fiber prior to coloring?"

    Things to consider:

    Added costs vs. cost savings

    • There are added costs of equipment and labor to screen the product through an additional process.
    • Screening creates a by-product of fines — and there is an opportunity to save 2 to 3 percent in mulch colorant cost by reducing fines.
    • Many producers see a reduction in weight of the finished product with the fines removed,​ which can reduce freight costs.


    • A reasonable amount of fines will give the colored mulch an appearance of lying better in the landscape setting.
    • Colored mulch with all the fines removed can have a chunky appearance that is often not as desirable. 

    Bottom line? Maximize grinding

    • Start with maximizing the grinder's performance to produce a product that does not need screening.
    • A grinder manufacturer can recommend the proper internal screen sizes and configuration that will perform best in the grinder to produce the desired results.