--- product_id: 719223182 title: "Plant Fertilizer Houseplants and Garden - Marine Phytoplankton Soil Improver and Hydroponic Fertilizer for Grasses, Bamboo, Succulents, & Vegetables - Organic Plant Fertilizer Liquid" brand: "marphyl" price: "$211.71" currency: USD in_stock: true url: https://www.desertcart.us/products/719223182-plant-fertilizer-houseplants-and-garden-marine-phytoplankton-soil-improver-hydroponic store_origin: US region: United States of America --- # 100% natural marine phytoplankton base rich in potassium, nitrogen & phosphorus organic, vegan & sustainably harvested Plant Fertilizer Houseplants and Garden - Marine Phytoplankton Soil Improver and Hydroponic Fertilizer for Grasses, Bamboo, Succulents, & Vegetables - Organic Plant Fertilizer Liquid **Brand:** marphyl **Price:** $211.71 **Availability:** ✅ In Stock ## Summary > 🌿 Unlock the ocean’s secret to unstoppable plant power! ## Quick Answers - **What is this?** Plant Fertilizer Houseplants and Garden - Marine Phytoplankton Soil Improver and Hydroponic Fertilizer for Grasses, Bamboo, Succulents, & Vegetables - Organic Plant Fertilizer Liquid by marphyl - **How much does it cost?** $211.71 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/719223182-plant-fertilizer-houseplants-and-garden-marine-phytoplankton-soil-improver-hydroponic) ## Best For - marphyl enthusiasts ## Why This Product - Trusted marphyl brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Eco-Friendly & Safe:** 100% organic, non-GMO, vegan, and pet-safe formula for guilt-free gardening. - • **Versatile Application:** Perfect for indoor plants, hydroponics, lawns, vegetables, and succulents alike. - • **Effortless Growth Boost:** Easy 1:20 dilution—see visible results after just one use, every two weeks. - • **Ocean-Powered Nutrients:** Harness the pure energy of marine phytoplankton to supercharge your plants’ growth. - • **Complete Plant Nutrition:** Loaded with essential minerals, vitamins, DHA & EPA for vibrant, healthy foliage. ## Overview MARPHYL Plant Fertilizer is a premium liquid fertilizer derived from sustainably harvested marine phytoplankton. Packed with essential nutrients like potassium, nitrogen, phosphorus, vitamins, and omega fatty acids, it supports lush growth for indoor and outdoor plants, including vegetables, succulents, and grasses. This organic, vegan, and non-toxic formula improves soil health and is easy to use with a simple dilution, delivering noticeable results in just one application. ## Description Transform your indoor and outdoor plants with MARPHYL Organic Marine Phytoplankton Liquid Fertilizer, a premium 33.8oz plant food that delivers exceptional results. This powerful organic fertilizer harnesses the nutrient-rich properties of marine phytoplankton, microalgae naturally found in oceans worldwide, to provide your plants with a complete nutritional profile. Unlike conventional fertilizers, MARPHYL's liquid formula is packed with essential vitamins, minerals, fatty acids (DHA, EPA), amino acids, chlorophyll, and an extensive range of phytochemicals that promote vibrant growth and stunning blooms. Perfect for houseplants, garden vegetables, succulents, bamboo, flowers, and lawn care, this versatile plant food enhances soil quality while supporting sustainable gardening practices. The water-soluble formula is incredibly easy to use—simply mix in a 1:20 ratio with water, stir, and apply to your plants every two weeks. As a 100% natural, vegan, non-toxic, and non-GMO product, MARPHYL's fertilizer is safe for vegetable gardens, groundwater, and pets. High in essential nutrients like potassium, nitrogen, phosphorus, calcium, and magnesium, this soil enhancer will transform your gardening results after just one application. Experience the MARPHYL difference and watch as your plants thrive with this superior, sustainable fertilizing solution. ## Features - SUPERIOR INDOOR PLANT FERTILIZER - MARPHYL Marine Phytoplankton is ideal as an outdoor and indoor plant fertilizer. It's an excellent vegetable fertilizer, houseplant fertilizer, and lawn fertilizer. It's great for your garden, greenhouse, and hydroponics. Enjoy gorgeous, colorful blooms with this exceptional flower food. Enhance soil quality and watch your trees, shrubs, vines, grass, plants, flowers, and vegetables thrive. - NATURAL INDOOR PLANT FOOD - Marine Phytoplankton are Microalgae full of nutrients, vitamins, and minerals. It's so much more than your average liquid plant fertilizer. MARPHYL's fertilizer for indoor plants and outdoor plants, grasses, trees, flowers and more, provides an astounding array of nutritional elements. Packed with vitamins, minerals, essential fatty acids, DHA, EPA, amino acids, chlorophyll, and a vast spectrum of phytochemicals, so your lawn, garden, and greenhouses will flourish - ORGANIC & SUSTAINABLE - Our Liquid Marine Phytoplankton Soil Enhancer is an organic, all purpose plant food that is harvested 100% naturally. It's vegan, non-toxic, non-GMO & sustainably made with no preservatives making it safe for vegetable gardening, ground water, and pets. It replenishes your soil on a regular basis to ensure the continued growth and beauty of your vegetation. Our organic plant fertilizer will meet your every need and provide a safe environment for all gardening. - MIRACULOUS & BENEFICIAL - Found in oceans across the world, marine phytoplankton are micro algae that infuse your plants, trees, grasses, and more with everything they need for health and longevity. High in potassium, nitrogen, and phosphorus as well as calcium and magnesium for lush foliage. Your lawn & garden will be the envy of the neighborhood, and your indoor plants will brighten your home. - EASY TO USE WATER SOLUBLE FERTILIZER - Simply mix a 1:20 ratio of our liquid plant fertilizer with water. Once in the water, stir, and then pour onto the plants. Perfect for use in small and large sprayers. Recommended use is every two weeks. You'll see the difference after just one application! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B073DKN49H | | Best Sellers Rank | #3,448 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #157 in Garden Fertilizers | | Brand Name | MARPHYL | | Coverage | Full | | Customer Reviews | 4.4 4.4 out of 5 stars (13,191) | | Included Components | Organic Liquid Fertilizer | | Item Form | Liquid | | Item Weight | 1.05 kg | | Liquid Volume | 1 liters | | Manufacturer | MARPHYL Marine Phytoplankton | | Mixing Ratio | 1:20 | | Model Number | 1L | | Number of Items | 1 | | Part Number | 3002 | | Specific Uses For Product | Plant Growth, Root Development, Seed Development, Soil Conditioning | | Target Species | multiple plants | | UPC | 627843783121 | | Unit Count | 33.8 Fluid Ounces | ## Product Details - **Brand:** MARPHYL - **Item weight:** 1.05 Kilograms - **Item form:** Liquid - **Liquid volume:** 1 Liters - **Specific uses for product:** Hydroponics,Lawn,Organic,Plant Food ## Images ![Plant Fertilizer Houseplants and Garden - Marine Phytoplankton Soil Improver and Hydroponic Fertilizer for Grasses, Bamboo, Succulents, & Vegetables - Organic Plant Fertilizer Liquid - Image 1](https://m.media-amazon.com/images/I/61Hu0Y0n8hL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: On what kind of plants can I use MARPHYL?** A: You can use MARPHYL on every single type of plants in every growing scenario. That goes for every indoor plants, tropical, flowers, outdoor plants, vegetable gardens, herbs, lawns, trees, hydroponics, succulents, bamboos, bonsai, orchids etc. **Q: What is the dilution / application ratio?** A: You need to put 1 part / unit of MARPHYL for 20 parts / units of fresh water. This means that if you are using 1L of water (or 33.8oz) you need to add 50ml (or 1.7 oz) of MARPHYL and mix together. **Q: How often should I apply the solution?** A: We recommend an application every 2 weeks for most plants/ flowers/ vegetables. If you have cactuses or succulents or plants that require less water, we recommend to extend the application to once a month or once every month and half. **Q: Is MARPHYL safe for me, my kids, my pets?** A: MARPHYL is safe to use for everyone, it’s 100% natural and contain only 1 ingredient which is Marine Phytoplankton. Your loved ones are safe to play and interact within the applied area. **Q: What shall I do if my skin gets in contact with the product?** A: Just rinse it off with water, the product is PH neutral and 100% natural. ## Frequently Bought Together - MARPHYL Plant Fertilizer Houseplants and Garden - Marine Phytoplankton Soil Improver and Hydroponic Fertilizer for Grasses, Bamboo, Succulents, & Vegetables - Organic Plant Fertilizer Liquid - SUPERthrive The Original Vitamin Solution - Liquid Concentrate, May Add to Any Fertilizing Program, 4 fl. oz. - Bloom City Organic Liquid Seaweed and Kelp Fertilizer Supplement, Quart (32 oz) Concentrated Makes 180 Gallons --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/719223182-plant-fertilizer-houseplants-and-garden-marine-phytoplankton-soil-improver-hydroponic](https://www.desertcart.us/products/719223182-plant-fertilizer-houseplants-and-garden-marine-phytoplankton-soil-improver-hydroponic) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-31*