--- product_id: 154312228 title: "Down To Earth All Natural Fertilizers Organic Solution Grade Langbeinite - Professional Grade Potassium Magnesium Sulfate Powder 200 mesh for Liquid or Spray 0-0-21.5, 1 lb" brand: "down to earth all natural fertilizers" price: "€ 46.31" currency: EUR in_stock: true reviews_count: 8 category: "Down To Earth All Natural Fertilizers" url: https://www.desertcart.sk/products/154312228-down-to-earth-all-natural-fertilizers-organic-solution-grade-langbeinite store_origin: SK region: Slovakia --- # OMRI certified organic 100% water-soluble formula 200 mesh ultra-fine powder Down To Earth All Natural Fertilizers Organic Solution Grade Langbeinite - Professional Grade Potassium Magnesium Sulfate Powder 200 mesh for Liquid or Spray 0-0-21.5, 1 lb **Brand:** down to earth all natural fertilizers **Price:** € 46.31 **Availability:** βœ… In Stock ## Summary > 🌱 Elevate your garden game with pro-grade organic power! ## Quick Answers - **What is this?** Down To Earth All Natural Fertilizers Organic Solution Grade Langbeinite - Professional Grade Potassium Magnesium Sulfate Powder 200 mesh for Liquid or Spray 0-0-21.5, 1 lb by down to earth all natural fertilizers - **How much does it cost?** € 46.31 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/154312228-down-to-earth-all-natural-fertilizers-organic-solution-grade-langbeinite) ## Best For - down to earth all natural fertilizers enthusiasts ## Why This Product - Trusted down to earth all natural fertilizers brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Gentle Yet Powerful:** Chloride-free formula protects sensitive plants and soil microbiomes - β€’ **Versatile Application:** Easily dissolves for foliar sprays, hydroponics, or soil fertigation - β€’ **Flower & Fruit Maximizer:** Enhances nutrient uptake, flavor, and stress resilience for premium yields - β€’ **Precision Nutrient Boost:** 21.5% potassium, 10.8% magnesium & 22% sulfur for peak plant vitality - β€’ **Certified Organic Confidence:** OMRI listed for safe use on edible and organic crops ## Overview Down To Earth Langbeinite is a professional-grade, OMRI certified organic potassium magnesium sulfate fertilizer in ultra-fine 200 mesh powder form. It delivers a precise 0-0-21.5 nutrient ratio with potassium, magnesium, and sulfur, fully water-soluble for easy use in sprays, hydroponics, or soil. Chloride-free and gentle on plants, it supports flowering, fruiting, and overall plant resilience, making it a top choice for serious organic growers seeking consistent, high-quality results. ## Description desertcart.com : Down To Earth All Natural Fertilizers Organic Solution Grade Langbeinite - Professional Grade Potassium Magnesium Sulfate Powder 200 mesh for Liquid or Spray 0-0-21.5, 1 lb : Patio, Lawn & Garden Review: Plants are happy - I stumbled upon Down to Earth OMRI Organic Solution Grade Langbeinite while searching for an organic potassium source for my plants, and I'm so glad I did. This stuff is a game-changer. First off, it's OMRI certified, so I can trust that it's truly organic and safe for my plants. Plus, it's easy to use. I simply mix it into the soil or dissolve it in water, and my plants soak up all that potassium goodness. But let's talk results. My plants have never looked better. They're healthier, greener, and producing bigger, more vibrant blooms than ever before. And because it's slow-release, I don't have to worry about overdoing it. It provides a steady, consistent source of potassium over time, which is exactly what my plants need for long-term health and vitality. Overall, I couldn't be happier with Down to Earth Langbeinite. It's reliable, effective, and organic – everything I look for in a fertilizer. If you're serious about giving your plants the nutrients they need to thrive, give this stuff a try. You won't be disappointed. Review: Great plant food - This has been feeding my weed plants very well. It has no smell and it was affordable. You only need about 1 tbsp per feeding (depending on where you’re at in the grow) so the bag will last a very long time. ## Features - Triple Nutrient Formula (0-0-21.5): Supplies 21.5% potassium, 10.8% magnesium, and 22% sulfur to boost crop health and performance. - OMRI Listed & Organic: Approved for use in certified organic growing systems and safe for edible crops. - Chloride-Free: Gentle on plants and beneficial soil microbes, making it ideal for sensitive species and soils. - Solution Grade Powder: Finely milled and water-soluble for easy use in foliar sprays, hydroponics, and fertigation systems. - Supports Flowering & Fruiting: Enhances nutrient uptake, improves flavor, and increases resilience to stress. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07SRW44HT | | Best Sellers Rank | #171,842 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #2,899 in Garden Fertilizers | | Brand | Down To Earth All Natural Fertilizers | | Brand Name | Down To Earth All Natural Fertilizers | | Coverage | 200 | | Customer Reviews | 4.5 out of 5 stars 136 Reviews | | Item Form | Powder | | Item Weight | 16 ounces | | Liquid Volume | 16 Fluid Ounces | | Manufacturer | Down To Earth All Natural Fertilizers | | Model Number | DTE-FERT-SOLU-Langbeinite-1lb-FOS | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | DTE-FERT-SOLU-Langbeinite-1lb-FOS | | Specific Uses For Product | Plant Growth | | Target Species | Plant | | UPC | 714360190225 | | Unit Count | 16 Fluid Ounces | ## Product Details - **Brand:** Down To Earth All Natural Fertilizers - **Item Form:** Powder - **Item Weight:** 1 Pounds - **Liquid Volume:** 16 Fluid Ounces - **Specific Uses For Product:** Plant Growth ## Images ![Down To Earth All Natural Fertilizers Organic Solution Grade Langbeinite - Professional Grade Potassium Magnesium Sulfate Powder 200 mesh for Liquid or Spray 0-0-21.5, 1 lb - Image 1](https://m.media-amazon.com/images/I/71RRN9lWQAL.jpg) ![Down To Earth All Natural Fertilizers Organic Solution Grade Langbeinite - Professional Grade Potassium Magnesium Sulfate Powder 200 mesh for Liquid or Spray 0-0-21.5, 1 lb - Image 2](https://m.media-amazon.com/images/I/71ItzzadlNL.jpg) ![Down To Earth All Natural Fertilizers Organic Solution Grade Langbeinite - Professional Grade Potassium Magnesium Sulfate Powder 200 mesh for Liquid or Spray 0-0-21.5, 1 lb - Image 3](https://m.media-amazon.com/images/I/91f+GQY6JrL.jpg) ![Down To Earth All Natural Fertilizers Organic Solution Grade Langbeinite - Professional Grade Potassium Magnesium Sulfate Powder 200 mesh for Liquid or Spray 0-0-21.5, 1 lb - Image 4](https://m.media-amazon.com/images/I/71N4Saj+frL.jpg) ![Down To Earth All Natural Fertilizers Organic Solution Grade Langbeinite - Professional Grade Potassium Magnesium Sulfate Powder 200 mesh for Liquid or Spray 0-0-21.5, 1 lb - Image 5](https://m.media-amazon.com/images/I/918ZYTvH-GL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Plants are happy *by M***. on March 17, 2024* I stumbled upon Down to Earth OMRI Organic Solution Grade Langbeinite while searching for an organic potassium source for my plants, and I'm so glad I did. This stuff is a game-changer. First off, it's OMRI certified, so I can trust that it's truly organic and safe for my plants. Plus, it's easy to use. I simply mix it into the soil or dissolve it in water, and my plants soak up all that potassium goodness. But let's talk results. My plants have never looked better. They're healthier, greener, and producing bigger, more vibrant blooms than ever before. And because it's slow-release, I don't have to worry about overdoing it. It provides a steady, consistent source of potassium over time, which is exactly what my plants need for long-term health and vitality. Overall, I couldn't be happier with Down to Earth Langbeinite. It's reliable, effective, and organic – everything I look for in a fertilizer. If you're serious about giving your plants the nutrients they need to thrive, give this stuff a try. You won't be disappointed. ### ⭐⭐⭐⭐⭐ Great plant food *by M***H on September 10, 2025* This has been feeding my weed plants very well. It has no smell and it was affordable. You only need about 1 tbsp per feeding (depending on where you’re at in the grow) so the bag will last a very long time. ### ⭐⭐⭐⭐⭐ Amazing! *by J***H on November 16, 2025* This helped my tomatoes grow huge! ## Frequently Bought Together - Down to Earth OMRI Organic Solution Grade Langbeinite 0-0-21.5, 1 lb - Down To Earth Calcium 96, 1 lb, Solution Grade, Organic, Fertilizer - Down to Earth OMRI Organic Solution Grade Potassium Sulfate 0-0-50, 1 lb --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sk/products/154312228-down-to-earth-all-natural-fertilizers-organic-solution-grade-langbeinite](https://www.desertcart.sk/products/154312228-down-to-earth-all-natural-fertilizers-organic-solution-grade-langbeinite) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-07-28*