Blackstrap Molasses
Sweet Fuel for Soil Biology
Blackstrap Molasses - 1 Gallon is backordered and will ship as soon as it is back in stock.
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Blackstrap Molasses
Organic Microbial Feed & Mineral-Rich Soil Booster
Blackstrap Molasses is a thick, dark syrup extracted as the final byproduct of sugarcane or sugar beet processing. Unlike refined sugars, blackstrap is rich in trace minerals (iron, calcium, magnesium, potassium) and contains complex sugars that feed beneficial soil microbes and compost systems.
Used as a natural carbohydrate source in compost tea brewing, microbial inoculants, and foliar sprays, blackstrap molasses energizes soil biology and helps unlock nutrients for plants. It's also a classic ingredient in homemade foliar mixes and fermented plant extracts in organic and Korean Natural Farming (KNF) systems.
Key Characteristics
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Feeds Beneficial Microbes in Soil and Compost
Molasses provides simple and complex sugars that boost microbial reproduction and activity, especially fungi and bacteria vital to nutrient cycling, decomposition, and plant health. Used regularly, it enhances living soil systems and compost processes. -
How to Use in Compost Teas, Soil Drench, and Foliar Sprays
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Compost teas: Add 1-2 tbsp per gallon of water during aerobic tea brewing.
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Soil drench: Mix 1-2 tbsp per gallon of water and apply around plant bases.
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Foliar feed: Add 1 tsp-1 tbsp per gallon as a carbohydrate source in mineral sprays.
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Fermentations (KNF): Use as a microbial stabilizer and carbon source in FPJs, OHNs, and other natural inputs.
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Rich in Minerals for Plant and Soil Health
Contains naturally occurring calcium, magnesium, iron, and potassium, which support plant metabolism, chlorophyll production, and root health-especially beneficial in low-nutrient or intensively used soils. -
Best For These Uses and Crops
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Compost tea brewers and regenerative fertility programs
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No-till and biologically intensive beds
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Vegetable gardens, herbs, fruits, and flowers
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Container growing and greenhouse crops
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Fermented preparations and KNF-style soil inputs
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Organic-Approved and Safe for All Plants
Food-grade, unsulfured blackstrap molasses is non-toxic, biodegradable, and safe for use around pollinators, animals, and humans. Ideal for organic farms and gardens.
Product Details
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Type: Unsulfured blackstrap molasses
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Nutrients: Natural source of calcium, magnesium, potassium, iron
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Use Method: Soil drench, foliar spray, compost tea, microbial food
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Application Rate: 1-2 tbsp per gallon (tea/drench); 1 tsp-1 tbsp per gallon (foliar)
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Use Frequency: Weekly to monthly depending on system
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Best For: Microbial stimulation, soil fertility, compost tea, mineral-rich feeding
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Certifications: Organic-compatible (check label for certifier)
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Packaging: Available in quart, gallon, and bulk
Blackstrap Molasses is a powerful tool for activating microbial life, unlocking minerals, and supporting healthy, living soils. Use it in teas, drenches, or foliar mixes to boost fertility naturally.
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