--- product_id: 257024665 title: "Red Sea Reef Spec Carbon - Aquarium Filter Media (2000 Ml/ 64 Oz), Black (37420)" brand: "red sea" price: "$31.21" currency: USD in_stock: false reviews_count: 5 url: https://www.desertcart.ec/products/257024665-red-sea-reef-spec-carbon-aquarium-filter-media-2000-ml store_origin: EC region: Ecuador --- # Rapid organic pollutant removal Ultra-low phosphate leaching Ultra-high adsorption capacity Red Sea Reef Spec Carbon - Aquarium Filter Media (2000 Ml/ 64 Oz), Black (37420) **Brand:** red sea **Price:** $31.21 **Availability:** ❌ Out of Stock ## Summary > 🌊 Elevate your reef’s glow with the ultimate carbon filter! ## Quick Answers - **What is this?** Red Sea Reef Spec Carbon - Aquarium Filter Media (2000 Ml/ 64 Oz), Black (37420) by red sea - **How much does it cost?** $31.21 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/257024665-red-sea-reef-spec-carbon-aquarium-filter-media-2000-ml) ## Best For - red sea enthusiasts ## Why This Product - Trusted red sea brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Reef-Safe Purity:** Ultra-low phosphate and ash content protect delicate marine ecosystems - • **Max Adsorption Power:** Micro/macro porous granules deliver unmatched pollutant capture - • **Turbocharged Clarity:** Rapidly extracts organic pollutants for crystal-clear reef water - • **All-in-One Convenience:** Includes filter bag for easy, mess-free installation - • **Long-Lasting Performance:** Outperforms standard carbons with extended replacement intervals ## Overview Red Sea Reef Spec Carbon is a premium aquarium filter media designed specifically for marine and reef tanks. Its uniquely sized granules and porous structure provide rapid and high-capacity adsorption of organic pollutants while maintaining ultra-low phosphate leaching and minimal ash content. This ensures superior water quality without altering pH, making it a cost-effective, long-lasting solution for pristine reef environments. ## Description Red Sea REEF-SPEC Carbon is the ultimate choice for marine & reef aquariums due to its unique technical characteristics. Red Sea REEF-SPEC Carbon’s granule size and its micro/macro porous structure, ensures a very high total adsorption capacity and rapid extraction of the specific organic pollutants that are found in Reef aquariums. REEF-SPEC Carbon has extremely low phosphate leaching and minimal ash content while also not affecting the pH of aquarium water. Red Sea REEF-SPEC Carbon needs replacing less frequently than carbons that are not reef-specific or are of a lower quality and represents an effective, cost-efficient solution for providing the very best water quality in marine & reef aquariums. Specification Shape 0. 6 – 2. 3 mm flakes Density 0. 48 g/ml Pore Volume (PV) 1. 04 ml/g Total Surface Area (TSA) 1000 m2/g TSA/PV 990 m2/ml Small organic molecules adsorption 1000 mg/g Large organic molecules adsorption 280 mg/g pH in distilled water >8 Phosphate output 0. 000001 g/ml ## Features - Rapid removal of organic pollutants - High total adsorption capacity - Ultra-low phosphate output, ultra-low ash content - Suitable for marine & freshwater - Filter bag included..Age range description: All Stages ## Technical Specifications | Specification | Value | |---------------|-------| | Allergen Information | Nut Free | | Asin | B01ETGMW7Y | | Best Sellers Rank | #44,369 in Pet Supplies (See Top 100 in Pet Supplies) #2,840 in Aquarium Accessories | | Brand Name | Red Sea | | Customer Reviews | 4.7 4.7 out of 5 stars (209) 4.7 out of 5 stars | | Global Trade Identification Number | 00730773374205 | | Included Components | all | | Item Form | Granules | | Item Type Name | Filter Carbon | | Item Weight | 1.5 Pounds | | Liquid Volume | 2000 Milliliters | | Manufacturer | Red Sea | | Manufacturer Part Number | 37420 | | Model Number | 37420 | | Number Of Items | 1 | | Number Of Packs | 1 | | Pet Type | Fish | | Target Species | Ornamental Fish | | Unit Count | 1 Count | | Upc | 730773374205 | ## Product Details - **Brand:** Red Sea - **Item form:** Granules - **Item weight:** 1.5 Pounds - **Liquid volume:** 2000 Milliliters - **Number of Packs:** 1 ## Images ![Red Sea Reef Spec Carbon - Aquarium Filter Media (2000 Ml/ 64 Oz), Black (37420) - Image 1](https://m.media-amazon.com/images/I/61usux3gafL.jpg) ![Red Sea Reef Spec Carbon - Aquarium Filter Media (2000 Ml/ 64 Oz), Black (37420) - Image 2](https://m.media-amazon.com/images/I/81qjlu+z+dL.jpg) ![Red Sea Reef Spec Carbon - Aquarium Filter Media (2000 Ml/ 64 Oz), Black (37420) - Image 3](https://m.media-amazon.com/images/I/51CFCDEAwaL.jpg) ![Red Sea Reef Spec Carbon - Aquarium Filter Media (2000 Ml/ 64 Oz), Black (37420) - Image 4](https://m.media-amazon.com/images/I/41AtWyXTKuL.jpg) ![Red Sea Reef Spec Carbon - Aquarium Filter Media (2000 Ml/ 64 Oz), Black (37420) - Image 5](https://m.media-amazon.com/images/I/71ZNMxT+pdL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: Organic Load & Yellow Tint Removal** A: The recommended dosage of Red Sea’s REEF-SPEC Carbon is approximately 50 gr (100 ml) per 200 L (50 gallons) for a period of 1-2 months for a moderately stocked reef aquarium. **Q: Post-Medication Treatment** A: The recommended dosage of Red Sea’s REEF-SPEC Carbon to adsorb medication residuals is approximately 100 gr (200 ml) per 200 L (50 gallons) for a period of a week. **Q: Ozone Post-Treatment** A: The dosage of Red Sea’s REEF-SPEC Carbon to remove residual ozone is 50 gr per 50mg/hr of ozone injection. The carbon should be placed at the ozone reactor/ protein skimmer. Carbon should be replaced once it has reached 50% of its original volume. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Red Sea Active Carbon *by on Reviewed in the United States 22 January 2025* Great product ### ⭐⭐⭐⭐⭐ Charcoal *by on Reviewed in the United States 7 March 2023* This is high quality stuff. The dust is very low and it does a great job! ### ⭐⭐⭐⭐⭐ Great Carbon *by on Reviewed in the United States 3 July 2020* Shipping was fast. Little to no dust with this carbon. The tinfoil seal did appear open in one area and I thought bag was missing. However, once dumping out the carbon I found the bag about a third of the way down the container. Be sure to check before reviewing. ## Frequently Bought Together - Red Sea Reef Spec Carbon - Aquarium Filter Media (2000 Ml/ 64 Oz), Black (37420) - PhosGuard, 2 L / 67.6 oz. --- ## 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.ec/products/257024665-red-sea-reef-spec-carbon-aquarium-filter-media-2000-ml](https://www.desertcart.ec/products/257024665-red-sea-reef-spec-carbon-aquarium-filter-media-2000-ml) --- *Product available on Desertcart Ecuador* *Store origin: EC* *Last updated: 2026-09-23*