--- product_id: 7682081 title: "Seachem Flourite Black 7 kg / 15.4 lbs" brand: "seachem" price: "$207.84" currency: USD in_stock: true category: "Seachem" url: https://www.desertcart.us/products/7682081-seachem-flourite-black-7-kg-15-4-lbs store_origin: US region: United States of America --- # 7 kg stable porous clay gravel Optimized for natural planted aquariums Chemically inert, pH neutral substrate Seachem Flourite Black 7 kg / 15.4 lbs **Brand:** seachem **Price:** $207.84 **Availability:** ✅ In Stock ## Summary > ⚫🌿 Elevate your aquarium game with the substrate that means business! ## Quick Answers - **What is this?** Seachem Flourite Black 7 kg / 15.4 lbs by seachem - **How much does it cost?** $207.84 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/7682081-seachem-flourite-black-7-kg-15-4-lbs) ## Best For - seachem enthusiasts ## Why This Product - Trusted seachem brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **No Additives Needed:** Stable substrate that works solo—no laterite or modifiers required for optimal performance. - • **Pure Black Elegance:** Creates a sleek, natural backdrop that elevates any freshwater aquarium aesthetic. - • **Trusted by Hobbyists:** Backed by 30+ years of scientific expertise and a passionate aquarist community. - • **Porous Clay Powerhouse:** Enhances root growth and nutrient absorption for thriving aquatic plants. - • **Tank-Friendly & Durable:** Compatible with under gravel filters and won’t degrade or alter water chemistry over time. ## Overview Seachem Flourite Black is a 7 kg premium porous clay gravel substrate designed specifically for natural planted freshwater aquariums. Its chemically inert composition ensures stable pH levels while promoting healthy plant root development without the need for additives. Durable and compatible with under gravel filters, it offers a sleek black aesthetic that enhances any tank environment. Trusted by aquarists for over three decades, it combines scientific innovation with hobbyist passion. ## Description Seachem Flourite Black is a specially fracted stable porous clay gravel for the natural planted aquarium. Its appearance is best suited to planted aquaria, but may be used in any freshwater aquarium environment.For over three decades, Seachem has been a company rooted in sound science. Our experience in the hobby and an educated staff of chemists and biologists are part of the package when you purchase Seachem products. Seachem remains as one of the few surviving independent and privately owned pet care companies. Seachem is owned and operated by hobbyists. All of our employees are hobbyists who maintain aquariums at home and at the office. Seachem itself was started because one such passionate hobbyist - Dr. Leo G. Morin (Founder) - recognized that the available solutions to aquarists problem wanting. This resulted in Seachem’s very first product: Cupraplex (today known as Cupramine). Over thirty years later Seachem is still approaching old problems in a new way. Seachem’s philosophy is that the knowledgeable hobbyist makes the best customer. This is reflected in solid and reliable customer education and support as well as products proven in science and performance. While Seachem has grown rapidly into a national and international firm, it retains the culture of a small company and is readily available to its customers. ## Features - GRAVEL: Seachem Flourite Black is a specially fracted stable porous clay gravel for the natural planted aquarium. Its appearance is best suited to planted aquaria, but may be used in any freshwater aquarium environment. - AQUARIUM BED: Gravel modifiers such as laterite are not necessary when using Seachem Flourite Black as this product is most effective when used alone as an integral substrate bed, but it may be mixed with other gravels. - SET-UP: When adding water to the aquarium, fill slowly to avoid disturbing Flourite Black substrate bed. Place a bowl in the aquarium and add water directly to the bowl, allowing water to overflow softly on to the gravel bed. Initial cloudiness is normal, but to remove this simply use mechanical filtration - COMPATIBLE: Flourite Black substrates will work fine with an under gravel filter and will not soften or decompose to an unsuitable state within your tank.Flourite substrates will work fine with an UGF - SAFETY: Seachem Flourite Black is not chemically coated or treated, thus does not alter the pH of the water. Flourite Black is beneficial for the life of the aquarium and need not be replaced. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0019J0ISU | | ASIN | B0019J0ISU | | Best Sellers Rank | #24,244 in Pet Supplies ( See Top 100 in Pet Supplies ) #25 in Aquarium Gravel | | Brand Name | Seachem | | Customer Reviews | 4.6 4.6 out of 5 stars (2,787) | | Date First Available | May 15, 2008 | | Department | Unisex-Adult | | Global Trade Identification Number | 00000116372503 | | Included Components | Seachem Flourite Black Clay Gravel - Stable Porous Natural Planted Aquarium Substrate 15.4 lbs | | Item Type Name | Seachem Flourite Black Clay Gravel - Stable Porous Natural Planted Aquarium Substrate 15.4 lbs | | Item Weight | 7 kg | | Item model number | 3725 | | Manufacturer | Seachem Laboratories, Inc. | | Manufacturer | Seachem Laboratories, Inc. | | Manufacturer Part Number | 3725 | | Manufacturer Warranty Description | Warranty | | Model Number | 3725 | | Product Dimensions | 17 x 11.75 x 1.75 inches; 15.43 pounds | | Style Name | Gravel | | UPC | 000116372503 | | Unit Count | 246.4 Ounce | ## Product Details - **Brand:** Seachem - **Global Trade Identification Number:** 00000116372503 - **Item Weight:** 7 kg - **Style:** Gravel - **UPC:** 000116372503 ## Images ![Seachem Flourite Black 7 kg / 15.4 lbs - Image 1](https://m.media-amazon.com/images/I/81MD5ecH5wL.jpg) ## Available Options This product comes in different **Size** options. --- ## 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/7682081-seachem-flourite-black-7-kg-15-4-lbs](https://www.desertcart.us/products/7682081-seachem-flourite-black-7-kg-15-4-lbs) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-09-16*