Best Potassium Fertilizer

Organic Oyster Shell Flour – Made in USA Soil Amendment Fertilizer for Indoor/Outdoor Plants & Organic Gardens. High Calcium Supplement for Chickens, Quails, Reptiles, Worm Compost Bins & More!

  • PREMIUM WATER SOLUBLE FERTILIZER: Wellspring Gardens Banana Fuel Fertilizer provides a water-soluble and high-quality nutrient blend with minor elements to promote optimal growth for your banana plants. Its premium 15-5-30 blend ensures that your banana plants are healthy and happy..
  • HEALTHY BANANA PLANTS: Help your banana plants thrive and yield healthy fruits with our specialized banana formula fertilizer. Give them the care they deserve and watch them grow into healthy, happy, and fruitful plants..
  • HIGH POTASSIUM CONTENT: Bananas are known for their high potassium content, and Wellspring Gardens Banana Fuel Fertilizer delivers just that. With the right amount of sunlight, water, and fertilizer, you can raise your banana trees to their potential..
  • GREAT FOR POTTED PLANTS: This blend of nutrients is well-suited for growing plants in containers, particularly for individuals who are looking to cultivate bananas in small or limited spaces. It provides a solution for those who are interested in optimizing the growth of potted plants, making it a great choice for anyone who wants to create a thriving garden in a tiny area..
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PetraTools Liquid Fertilizer, 16-4-8 Lawn Fertilizer, Liquid Lawn Fertilizer Concentrate & Grass Fertilizer For All Grass Types, Liquid Lawn NPK With Nitrogen Fertilizer Lawn Food Max Strength (1 Gal)

  • ULTIMATE BALANCED LAWN FERTILIZER: PetraTools 16-4-8 Liquid Fertilizer is the perfect blend of well-balanced support of macronutrients to support all grass types. The nitrogen, phosphorous and potash mix provide a maximum boost for lawn growth and green grass. The included high-purity humates and supplementary potassium encourages deep root development..
  • 16-4-8 NUTRIENT FORMULA: This NPK formula contains 16% nitrogen, 4% phosphorus, & 8% potassium for a bright grass color, root and plant development, and tolerance to intense temperatures. It's ideal for use in any type of grass and is a pet-friendly fertilizer for lawns..
  • NITROGEN FERTILIZER QUICK & SLOW RELEASE TECHNOLOGY: This 2-in-1 nitrogen lawn fertilizer formula provides both quick-release nitrogen for rapid green and growth and slow-release nitrogen for ongoing growth between applications. Get the best of both worlds in 1 easy application..
  • EASY APPLICATION: PetraTools created our NPK lawn booster to be simple and easy to use. Mix 5oz of fertilizer per gallon of water for maintenance or 10 oz per gallon to correct deficient levels. Treats up to 1,600 Sq. Ft. for maintenance or 800 Sq. Ft. for NPK deficient grass. For best results, use a PetraTools sprayer to evenly spray mixture across lawn & app....
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Down to Earth Organic Langbeinite Fertilizer Mix 0-0-22, 5 lb

  • Down To Earth Langbeinite 0-0-22 is a naturally mined crystalline mineral that supplies the water-soluble sulfate form of three vital plant nutrients: potassium, magnesium and sulfurs.
  • Its maximum chlorine content is less than 3.0 percent, minimizing the potential for fertilizer “burn,” and its neutral pH does not alter soil activity.
  • Potassium contributes strongly to overall plant health by regulating internal processes. Since potassium makes up part of the fluid of the plant, it is found throughout plant tissue, meaning plants need a strong source of potassium as they grow.
  • Potassium deficiencies lead to weak stalks and immature roots, leaving the plant susceptible to insects.
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Liquinox 7128 Fish Emulsion 5-1-1 Fertilizer, 1-Gallon

  • PROMOTES PLANT GROWTH - Fish is a natural-based source of essential plant nutrients. This product is designed for use on houseplants, roses, vegetables, trees, shrubs, garden flowers, & transplanting & bedding plants..
  • MADE FROM FISH - Our fish fertilizer for plants is made from fresh Atlantic fish remains. It's made by a unique cold process that protects the vitamins, amino acids, & enzymes. It contains all the micro and macronutrients naturally found in fish..
  • 2-4-0 FORMULA - These three numbers represent the primary nutrients: nitrogen, phosphorus, and potassium. Our 2-4-0 fertilizer contains 2% nitrogen, 4% phosphate, and 0% potash..
  • REDUCED ODOR - Hydrolyzed Fish Fertilizer is a deodorized formula. This helps in reducing the odor put off by the product..
  • EASY TO USE - Simply dilute Fish Fertilizer with water before application. Carefully read label directions before use..
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Bonide (BND082 - Garden Rich Hydrolyzed Fish Fertilizer 2-4-0, Liquid Fish Emulsion Concentrate (1 gal.)

  • PROMOTES PLANT GROWTH - Fish is a natural-based source of essential plant nutrients. This product is designed for use on houseplants, roses, vegetables, trees, shrubs, garden flowers, & transplanting & bedding plants..
  • MADE FROM FISH - Our fish fertilizer for plants is made from fresh Atlantic fish remains. It's made by a unique cold process that protects the vitamins, amino acids, & enzymes. It contains all the micro and macronutrients naturally found in fish..
  • 2-4-0 FORMULA - These three numbers represent the primary nutrients: nitrogen, phosphorus, and potassium. Our 2-4-0 fertilizer contains 2% nitrogen, 4% phosphate, and 0% potash..
  • REDUCED ODOR - Hydrolyzed Fish Fertilizer is a deodorized formula. This helps in reducing the odor put off by the product..
  • EASY TO USE - Simply dilute Fish Fertilizer with water before application. Carefully read label directions before use..
  • Natural based source of essential plant nutrients.
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Advanced 16-4-8 Balanced NPK- Lawn Food Liquid Fertilizer- Spring & Summer Concentrated Spray - Any Grass Type- Simple Lawn Solutions 1 Quart

  • 16-4-8 Liquid Lawn Food Fertilizer: The perfect blend of key macronutrients. This lawn liquid food turf fertilizer also contains Seaweed & Fish..
  • This complete Nitrogen, Phosphate, and Potash formula gives your grass greening & growth while providing nutrients for lush lawns. Apply 16-4-8 Liquid....
  • Blended with 16% Nitrogen. Nitrogen is a major component of chlorophyll where plants get their green coloring. Nitrogen encourages vigorous growth for....
  • Blended with 4% Phosphorus. Phosphorus encourages root development and enhances vigorous plant development in the early stages..
  • Blended with 8% Potassium. Potassium enhances plant tolerance to extreme temperatures and drought, while also playing an essential role in the....
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Green Green Plant Food (10 Bottles)

  • Green Green is a fertilizer , mixed with nitrogen, phosphoric acid and potassium..
  • Green Green promotes and speeds up the growth of flowers and plants.
  • It is fertilizer for all kinds of plants, especially for lucky bamboo..
  • 10 bottles (36ml/each) Green Green plant food.
  • From Korea, the original green green plant food.
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Bonide 082 1 Gallon Fish Fertilizer 2-4-04

  • PROMOTES PLANT GROWTH - Fish is a natural-based source of essential plant nutrients. This product is designed for use on houseplants, roses, vegetables, trees, shrubs, garden flowers, & transplanting & bedding plants..
  • MADE FROM FISH - Our fish fertilizer for plants is made from fresh Atlantic fish remains. It's made by a unique cold process that protects the vitamins, amino acids, & enzymes. It contains all the micro and macronutrients naturally found in fish..
  • 2-4-0 FORMULA - These three numbers represent the primary nutrients: nitrogen, phosphorus, and potassium. Our 2-4-0 fertilizer contains 2% nitrogen, 4% phosphate, and 0% potash..
  • REDUCED ODOR - Hydrolyzed Fish Fertilizer is a deodorized formula. This helps in reducing the odor put off by the product..
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Bonide Garden Rich Fish Fertilizer, Pack of 4

  • PROMOTES PLANT GROWTH - Fish is a natural-based source of essential plant nutrients. This product is designed for use on houseplants, roses, vegetables, trees, shrubs, garden flowers, & transplanting & bedding plants..
  • MADE FROM FISH - Our fish fertilizer for plants is made from fresh Atlantic fish remains. It's made by a unique cold process that protects the vitamins, amino acids, & enzymes. It contains all the micro and macronutrients naturally found in fish..
  • 2-4-0 FORMULA - These three numbers represent the primary nutrients: nitrogen, phosphorus, and potassium. Our 2-4-0 fertilizer contains 2% nitrogen, 4% phosphate, and 0% potash..
  • EASY TO USE - Simply dilute Fish Fertilizer with water before application. Carefully read label directions before use..
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