Organic Sulfate of Potash 0-0-50 Standard Fines — 4 lb

OMRI-certified organic sulfate of potash (SOP) produced naturally through solar evaporation. With 50% soluble potash (K₂O) and 17% sulfate sulfur, this chloride-free potassium source delivers two critical plant nutrients in a single product — accepted for use in certified organic farming in the United States.

Standard Fines are fine-screened for rapid dissolution in liquid fertilizer solutions, fertigation systems, and hydroponic nutrient programs. No animal manure or waste products are used in production.

Key Features

• 50% soluble potash (K₂O) — high-analysis potassium source for efficient nutrient delivery
• 17% sulfate sulfur — immediately plant-available sulfur; supports protein synthesis and enzyme activation
• OMRI certified organic — accepted for use in certified organic production systems
• Chloride-free — low chloride (max 0.8%); safe for chloride-sensitive crops
• Fine-screened — rapid dissolution for liquid blends, fertigation, and hydroponic systems
• Naturally produced — solar evaporation process; no toxic waste; environmentally responsible

Applications

• Hydroponic and soilless nutrient programs
• Fertigation and drip irrigation systems
• Organic crop production (OMRI certified)
• Chloride-sensitive crops — berries, potatoes, tobacco, vegetables
• Liquid fertilizer solution and suspension blending

Specifications

• Analysis: 0-0-50 + 17% S
• Soluble Potash (K₂O): 50%
• Sulfur (S): 17% combined sulfate
• Chlorine (Cl) max: 0.8%
• Derived from: Potassium Sulfate
• Grade: Standard Fines
• Certification: OMRI Listed for organic use
• Size: 4 lb
• Country of Origin: USA
• SKU: 0-0-50-STAND-FINES-4lb