--- product_id: 635587554 title: "FZONE Aquarium Root Fertiliser Spikes, NPK High-Concentration Easy Green for Freshwater for Plant and Root Growth (25 Spikes Per Box)" brand: "fzone" price: "5.96 DT" currency: TND in_stock: false reviews_count: 8 url: https://www.desertcart.tn/products/635587554-fzone-aquarium-root-fertiliser-spikes-npk-high-concentration-easy-green store_origin: TN region: Tunisia --- # FZONE Aquarium Root Fertiliser Spikes, NPK High-Concentration Easy Green for Freshwater for Plant and Root Growth (25 Spikes Per Box) **Brand:** fzone **Price:** 5.96 DT **Availability:** ❌ Out of Stock ## Quick Answers - **What is this?** FZONE Aquarium Root Fertiliser Spikes, NPK High-Concentration Easy Green for Freshwater for Plant and Root Growth (25 Spikes Per Box) by fzone - **How much does it cost?** 5.96 DT with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/635587554-fzone-aquarium-root-fertiliser-spikes-npk-high-concentration-easy-green) ## Best For - fzone enthusiasts ## Why This Product - Trusted fzone brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Product Description Generally, as aquatic plants mature, the nutrient content in the substrate diminishes and needs replenishment.By adding FZONE high-efficiency fertilizer sticks to the substrate, you can boost new growth and enrich the coloration of the leaves, bringing renewed vitality to your aquarium landscape. Why Choose Fzone Root Fertilizer Spikes Nutrients in liquid fertilizers are often rapidly diluted in water, necessitating frequent reapplication, that can easily lead to eutrophication and rapid algae growth, especially when overused. This can be costly over time. Compared with liquid fertilizer, root fertilizers excel in delivering targeted nutrients directly to roots for efficient uptake, ensuring balanced nutrition for healthy plant growth. Their slow-release property provides steady nutrients, creating a stable environment. Step One Use tweezers to hold the root fertilizer, positioning it near the aquatic plants. Step Two Insert the fertilizer all the way into the substrate, aiming for a depth of 5-6 cm. Last step After inserting, gently refill the area with aquarium soil to cover the fertilizer. Dosage One box fits a 60x40x40 cm tank. Insert one spike into the substrate near the plant roots for every 10*10 cm² ELEMENT COMPOSITION How long can this root fertilizer last? Generally, these spikes last for 2-3 months. However, the replacement frequency can vary depending on the plant type and aquarium conditions How long can this root fertilizer last? Generally, these spikes last for 2-3 months. However, the replacement frequency can vary depending on the plant type and aquarium conditions If the substrate is shallow, less than 1.6 inches, how should I use it? There are two methods: You can place it horizontally instead of vertically. Or you can trim it shorter and use it. If the substrate is shallow, less than 1.6 inches, how should I use it? There are two methods: You can place it horizontally instead of vertically. Or you can trim it shorter and use it. When should I start using this root fertilizer? Generally, after aquatic plants have grown for a while, the nutrients in the soil begin to deplete and need replenishing. Alternatively, start using the fertilizer if you notice your plants becoming slightly yellow or wilted. When should I start using this root fertilizer? Generally, after aquatic plants have grown for a while, the nutrients in the soil begin to deplete and need replenishing. Alternatively, start using the fertilizer if you notice your plants becoming slightly yellow or wilted. Review: Good - Came quickly. Only used it for a week. Aquarium plants seem happy and are growing well. Review: No rapid growth, time will tell. - These are easy to use, but having put them in the tank (and I used them all) I haven't seen a vast increase in plant growth. They were placed at roughly 10cm spacing with a couple extra here and there for big plants. Time will tell, but 4 weeks on I would have thought the plants would be climbing out of the tank! ## Features - Balanced and Comprehensive Nutrition--Fzone aquarium plant fertiliser is a stick-shaped root fertiliser, crafted with advanced technology and containing high concentrations of NPK and other essential nutrients. Freshwater aquarium plant fertiliser is especially effective in promoting growth and enhancing color for aquatic plants with high fertiliser consumption and red aquatic plants. - Targeted Root Delivery-- Aquarium root fertiliser spikes efficiently target the root zone of aquatic plants, ensuring optimal nutrient uptake where it's most, essential for overall plant health. By releasing nutrients directly at the roots, they significantly minimize the risk of nutrient runoff into the water , preventing eutrophication and contributing to a stable aquatic ecosystem. - Long-Lasting and Economical--The slow-release formula ensures a continuous supply of nutrients, avoiding the peaks and troughs associated with other types of fertilisers, which remains effective for 2 to 3 months, and you can adjust root fertiliser spikes' use based on the density and growth of your aquatic plants. This reduced need for frequent replacements not only saves time but also is more cost-effective in the long term, offering a convenient solution for aquarium hobbyists. - Special Effects--Fzone aquarium fertiliser, with its root-enhancing and protective ingredients, boosts root development and nutrient absorption, leading to healthier, fuller aquatic plants. It also contains special probiotics that break down substrate nutrients for better root uptake, making it a superior bio-fertilizer compared to chemical and organic options. - Usage--Each box comes with 25 fertiliser spikes, each capable of treating a 10x10 cm² area. One box is suitable for a 60x40x40 cm aquarium. For optimal plant growth, it's advised to change half of the aquarium's water the day following the fertilizer application. When water temperature rises above 77.0 °F, the period of peak nutrient release occurs sooner, necessitating more frequent water changes. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CQ4K6YPP | | Best Sellers Rank | 129,974 in Pet Supplies ( See Top 100 in Pet Supplies ) 1,233 in Aquarium Water Treatments | | Brand | FZONE | | Brand Name | FZONE | | Coverage | 2500 cm² | | Customer Reviews | 4.1 out of 5 stars 129 Reviews | | Included Components | spikes | | Item Form | Sticks | | Item Type Name | FZ-001 | | Item form | Sticks | | Manufacturer | FZONE | | Mixing Ratio | 1:1:1 | | Model Number | RT01 | | Number of Items | 25 | | Number of items | 25 | | Part Number | RT-01 | | Product Warranty | 1 | | Specific Uses For Product | Active | | Specific uses for product | Active | | Target Species | Plants | | Unit Count | 1.0 count | | Unit count | 1.0 count | ## Product Details - **Brand:** FZONE - **Item form:** Sticks - **Manufacturer:** FZONE - **Number of items:** 25 - **Specific uses for product:** Active ## Images ![FZONE Aquarium Root Fertiliser Spikes, NPK High-Concentration Easy Green for Freshwater for Plant and Root Growth (25 Spikes Per Box) - Image 1](https://m.media-amazon.com/images/I/71TCUZtj9OL.jpg) ![FZONE Aquarium Root Fertiliser Spikes, NPK High-Concentration Easy Green for Freshwater for Plant and Root Growth (25 Spikes Per Box) - Image 2](https://m.media-amazon.com/images/I/61z8fKzHmVL.jpg) ![FZONE Aquarium Root Fertiliser Spikes, NPK High-Concentration Easy Green for Freshwater for Plant and Root Growth (25 Spikes Per Box) - Image 3](https://m.media-amazon.com/images/I/61kknTLbXpL.jpg) ![FZONE Aquarium Root Fertiliser Spikes, NPK High-Concentration Easy Green for Freshwater for Plant and Root Growth (25 Spikes Per Box) - Image 4](https://m.media-amazon.com/images/I/718G0ShpdvL.jpg) ![FZONE Aquarium Root Fertiliser Spikes, NPK High-Concentration Easy Green for Freshwater for Plant and Root Growth (25 Spikes Per Box) - Image 5](https://m.media-amazon.com/images/I/61kFVZvk4+L.jpg) ## Questions & Answers **Q: How long can this root fertilizer last?** A: Generally, these spikes last for 2-3 months. However, the replacement frequency can vary depending on the plant type and aquarium conditions **Q: If the substrate is shallow, less than 1.6 inches, how should I use it?** A: There are two methods: You can place it horizontally instead of vertically. Or you can trim it shorter and use it. **Q: When should I start using this root fertilizer?** A: Generally, after aquatic plants have grown for a while, the nutrients in the soil begin to deplete and need replenishing. Alternatively, start using the fertilizer if you notice your plants becoming slightly yellow or wilted. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good *by A***R on 29 March 2025* Came quickly. Only used it for a week. Aquarium plants seem happy and are growing well. ### ⭐⭐⭐⭐ No rapid growth, time will tell. *by B***O on 6 May 2025* These are easy to use, but having put them in the tank (and I used them all) I haven't seen a vast increase in plant growth. They were placed at roughly 10cm spacing with a couple extra here and there for big plants. Time will tell, but 4 weeks on I would have thought the plants would be climbing out of the tank! ### ⭐⭐⭐⭐⭐ You can buy this item knowing it will be a good product *by K***N on 2 September 2025* Very good purchase, would by again --- ## 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.tn/products/635587554-fzone-aquarium-root-fertiliser-spikes-npk-high-concentration-easy-green](https://www.desertcart.tn/products/635587554-fzone-aquarium-root-fertiliser-spikes-npk-high-concentration-easy-green) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-25*