--- product_id: 42886495 title: "Brightwell Aquatics XPort NO4 Brick Biological Filter Media Block" brand: "brightwell aquatics" price: "405.03 DT" currency: TND in_stock: true category: "Brightwell Aquatics" url: https://www.desertcart.tn/products/42886495-brightwell-aquatics-xport-no4-brick-biological-filter-media-block store_origin: TN region: Tunisia --- # Aragonite-doped pH buffering 100,000+ sq.ft. surface area Elemental sulfur boosts nitrate reduction Brightwell Aquatics XPort NO4 Brick Biological Filter Media Block **Brand:** brightwell aquatics **Price:** 405.03 DT **Availability:** ✅ In Stock ## Summary > 🧱 Elevate your aquarium’s ecosystem with science-backed clarity and control! ## Quick Answers - **What is this?** Brightwell Aquatics XPort NO4 Brick Biological Filter Media Block by brightwell aquatics - **How much does it cost?** 405.03 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/42886495-brightwell-aquatics-xport-no4-brick-biological-filter-media-block) ## Best For - brightwell aquatics enthusiasts ## Why This Product - Trusted brightwell aquatics brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Crystal-Clear Water:** Effectively slashes dissolved organics and phosphates for vibrant clarity. - • **Proudly American-Made:** Trusted innovation from Brightwell Aquatics, elevating aquatic health. - • **Expansive Surface Area:** Over 100,000 sq.ft. per brick fuels robust biological colonization. - • **pH Stability Engineered:** Aragonite doping buffers acidity, ensuring long-term aquarium balance. - • **Maximize Nitrate Reduction:** Ultra-porous ceramic media supercharges nitrate removal for pristine water. ## Overview Brightwell Aquatics XPort NO3 Brick is a high-performance ceramic biological filter media designed for marine and hard freshwater tanks. Featuring an ultra-porous structure with elemental sulfur, it accelerates nitrate reduction while providing over 100,000 sq.ft. of surface area for optimal bacterial growth. Its aragonite-doped design stabilizes pH, preventing acid buildup and enhancing water clarity by reducing dissolved organics and phosphates. Made in the USA, this durable filter media supports long-term aquatic health and crystal-clear water. ## Description Brightwell Aquatics XPort NO3 Brick is a revolutionary ceramic filtration media designed to improve water quality by effectively reducing nitrates, phosphate, and dissolved organics. Ideal for marine, reef, hard freshwater, and pond aquariums with a pH of 7.5 or higher, this high-performance brick features an ultra-porous structure doped with elemental sulfur. This advanced composition accelerates nitrate reduction while providing an expansive surface area—over 100,000 square feet per brick—for biological activity. The brick's unique design promotes both aerobic and anaerobic processes, supporting efficient nutrient processing. Its aragonite doping stabilizes pH levels, preventing acid buildup that can compromise filtration efficiency unlike competing products. The XPort NO3 Brick is also engineered to retain moisture for several days when drained, ensuring biological viability even during equipment downtime. Whether you have a small freshwater setup or a large marine reef tank, this versatile filtration media enhances water clarity, supports biological balance, and ensures long-term stability for thriving aquatic life. ## Features - MAXIMIZED NITRATE REDUCTION - Ultra-porous ceramic biological filtration media with elemental sulfur that boosts nitrate reduction in marine and hard freshwater tanks. - OPTIMAL SURFACE AREA - Over 100,000 sq. ft. of surface area per brick for efficient biological colonization and improved filtration performance. - ENHANCED WATER CLARITY - Significantly reduces dissolved organics and phosphate, promoting crystal-clear water and healthier aquatic environments. - LONG-LASTING DURABILITY - Aragonite-doped design buffers pH levels, maintaining stable conditions and preventing acidic buildup over time unlike other products on the market. - AMERICAN-MADE EXCELLENCE – Brightwell Aquatics is an industry-leading brand committed to providing innovative and scientifically backed aquatic care products. Made in the USA, we consistently deliver advanced superior quality solutions to elevate the vibrancy and health of your aquarium. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01MCWALSM | | Allergen Information | Sulphites Free | | Best Sellers Rank | #146,138 in Pet Supplies ( See Top 100 in Pet Supplies ) #1,204 in Aquarium Water Treatments | | Brand | Brightwell Aquatics | | Brand Name | Brightwell Aquatics | | Customer Reviews | 4.5 out of 5 stars 145 Reviews | | Global Trade Identification Number | 00810086017652 | | Included Components | Xport NO3 Brick | | Item Form | Brick | | Item Type Name | Filter Media | | Item Weight | 0.3 kg | | Liquid Volume | 100 gallons | | Manufacturer | Brightwell Aquatics | | Manufacturer Part Number | XPBRICNO3 | | Model Number | XPBRICNO3 | | Number of Items | 1 | | Pet Type | Fish | | Target Species | Fish | | UPC | 810086017652 | | Unit Count | 1 Count | ## Images ![Brightwell Aquatics XPort NO4 Brick Biological Filter Media Block - Image 1](https://m.media-amazon.com/images/I/81ToIYSCWGL.jpg) ![Brightwell Aquatics XPort NO4 Brick Biological Filter Media Block - Image 2](https://m.media-amazon.com/images/I/81RpKo9mDRL.jpg) ![Brightwell Aquatics XPort NO4 Brick Biological Filter Media Block - Image 3](https://m.media-amazon.com/images/I/81ZfMrFQ+YL.jpg) ![Brightwell Aquatics XPort NO4 Brick Biological Filter Media Block - Image 4](https://m.media-amazon.com/images/I/81aaSgagrHL.jpg) ![Brightwell Aquatics XPort NO4 Brick Biological Filter Media Block - Image 5](https://m.media-amazon.com/images/I/81BqZJZkjlL.jpg) --- ## 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/42886495-brightwell-aquatics-xport-no4-brick-biological-filter-media-block](https://www.desertcart.tn/products/42886495-brightwell-aquatics-xport-no4-brick-biological-filter-media-block) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-15*