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GSL's sulfate of potash is available in particle sizes ranging from Soluble Fines to Ag Granular. Custom sizes are also available. Here are the SOP products for agriculture and horticulture.
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Name/Grade
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Appearance
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Applications
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Soluble Fines SOP Organic
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Fine screened for rapid dissolution in making liquid fertilizer solutions and suspensions. Typical SGN 14/UI 25.
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Standard Fines SOP
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Used for N-P-K ammoniation, N-P-K granulation, and direct field application. Used to prepare solutions that will be decanted or filtered. Typical SGN 28/UI 12.
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Standard Fines SOP Organic
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Used for N-P-K granulation, and direct field application. Used to prepare solutions that will either be decanted or filtered. Typical SGN 28/UI 12.
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Choice Granular SOP
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Suitable for blends typically used in horticulture. Also well suited for direct application fertilization, especially slow release. Typical SGN 146/UI 66.
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Choice Granular SOP Organic
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Suitable for blends typically used in horticulture. Also well suited for direct application fertilization, especially slow release. Typical SGN 146/UI 66.
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Mid Granular SOP
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Sized for use in horticulture. Typical SGN 218/UI 58.
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Mid Granular SOP Organic
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Sized for use in horticulture. Typical SGN 218/UI 58.
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Ag Granular SOP
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Sized to blend well with most other agricultural grade nutrient sources and performs well in broadcast spreaders. Typical SGN 350/UI 46.
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Ag Granular SOP Organic
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Sized to blend well with most other agricultural grade nutrient sources and performs well in broadcast spreaders. Typical SGN 350/UI 46.
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