Growers Supply Service
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Water Soluble Fertilizers and Controlled Release Fertilizers

  • GSS Brand Soluble Fertilizers
    Our high quality soluble fertilizer has been helping professional growers produce the best quality plants for almost 2 decades. Available in 25 lb bags with blue dye in popular analysis

  • Harrell’s Polyon® Controlled Release Fertilizers
    Pursell Technology’s Reactive Layer Coating® offers resistance to cracking and premature release. Available in 50 lb bags in assorted analysis and release lengths.

  • Sunniland Granular Fertilizers
    - 4-1-0 Analysis Activated sludge with Humates - Other formulations available in 2000 lb minimums

  • We also carry fertilizer components for professional growers who desire to mix their own formulas.