--- product_id: 18075301 title: "Brightwell Aquatics Ferrion Iron Supplement for Reef Aquariums, 250ml" brand: "brightwell aquatics" price: "Β₯6416" currency: JPY in_stock: true reviews_count: 8 category: "Brightwell Aquatics" url: https://www.desertcart.jp/products/18075301-brightwell-aquatics-ferrion-iron-supplement-for-reef-aquariums-250ml store_origin: JP region: Japan --- # Highly concentrated formula Boosts macroalgae & refugium health Scientifically formulated purity Brightwell Aquatics Ferrion Iron Supplement for Reef Aquariums, 250ml **Brand:** brightwell aquatics **Price:** Β₯6416 **Availability:** βœ… In Stock ## Summary > 🌊 Elevate your reef’s glow with every drop β€” don’t let your macroalgae miss out! ## Quick Answers - **What is this?** Brightwell Aquatics Ferrion Iron Supplement for Reef Aquariums, 250ml by brightwell aquatics - **How much does it cost?** Β₯6416 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/18075301-brightwell-aquatics-ferrion-iron-supplement-for-reef-aquariums-250ml) ## 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 - β€’ **Proudly American-Made:** Crafted in the USA by Brightwell Aquatics, a leader in innovative aquatic care solutions. - β€’ **Power-Packed Iron Boost:** Delivers potent iron levels (0.05-0.10 ppm) for thriving photosynthetic marine life. - β€’ **Scientist-Backed Purity:** Formulated by marine experts with ultra-pure ingredients to protect delicate reef ecosystems. - β€’ **Fewer Doses, Longer Impact:** Ultra-concentrated formula means less frequent dosing with sustained effectiveness. - β€’ **Refugium & Reef Revitalizer:** Enhances growth and vibrancy of macroalgae, coralline algae, and zooxanthellate corals. ## Overview Brightwell Aquatics Ferrion is a premium 250ml liquid iron supplement designed to optimize photosynthesis in reef aquariums. Its highly concentrated, scientifically formulated blend supports the health and coloration of macroalgae, coralline algae, and zooxanthellate corals by maintaining ideal iron levels (0.05-0.10 ppm). Made in the USA, Ferrion ensures fewer doses with long-lasting effects, making it the go-to choice for professional and hobbyist reef keepers aiming for vibrant, thriving marine ecosystems. ## Description Brightwell Aquatics Ferrion is a highly concentrated, stable iron supplement designed to support photosynthetic marine organisms, including macroalgae, coralline algae, seagrasses, and zooxanthellate corals. Iron plays a critical role in photosynthesis, helping aquatic plants and corals efficiently absorb nutrients and grow. Ferrion is especially beneficial for aquariums with refugiums, planted reef systems, and corals relying on symbiotic zooxanthellae. Proper iron levels promote vibrant coloration in coralline algae, healthier plant development, and improved nutrient uptake. This professional-grade formula is stronger than most competitors, requiring fewer doses while ensuring long-term stability. Formulated by marine scientists, it contains ultra-pure ingredients to provide targeted iron supplementation without disrupting water chemistry. By maintaining an iron concentration of 0.05 - 0.10 ppm, Ferrion helps create an optimal environment for macroalgae, corals, and marine plants while preventing nutrient deficiencies that can slow growth. Review: Brightwell Aquatics Ferrion. 8oz. - Product arrived when expected, and well package. This is my first time using Ferrion, but I have used other Brightwell Aquatics products, and have been happy with them all. Thank you. Review: If your Chaeto dying BUY THIS !!! - I had issues with keeping macro algae alive. This thing is a miracle. For some might not be a big deal but for noobs this is what you need for macro algae in saltwater as far as my experience ## Features - SUPPORTS PHOTOSYNTHETIC ORGANISMS – Provides essential iron for macroalgae, coralline algae, mangroves, marsh grasses, and zooxanthellate corals. - BOOSTS MACROALGAE & REFUGIUM HEALTH – Helps Caulerpa, Halimeda, Penicillus, and other marine plants thrive in refugiums and planted aquariums. - HIGHLY CONCENTRATED FORMULA – More potent than most competing brands, ensuring long-lasting effectiveness with fewer doses. - SCIENTIFICALLY FORMULATED – Developed by marine experts with ultra-pure ingredients for safe, precise supplementation in reef environments. - 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 | B001DCX3K8 | | Allergen Information | Sulphites Free | | Best Sellers Rank | #88,903 in Pet Supplies ( See Top 100 in Pet Supplies ) #760 in Aquarium Water Treatments | | Brand | Brightwell Aquatics | | Brand Name | Brightwell Aquatics | | Customer Reviews | 4.5 out of 5 stars 122 Reviews | | Global Trade Identification Number | 00810086010189 | | Included Components | Ferrion | | Item Form | Liquid | | Item Type Name | Fish Supplement | | Item Weight | 9.6 ounces | | Liquid Volume | 8 fluid ounces | | Manufacturer | Brightwell Aquatics | | Manufacturer Part Number | FER250 | | Model Number | FER250 | | Number of Items | 1 | | Target Species | Fish | | UPC | 611101764007 810086010189 | | Unit Count | 1 Count | ## Product Details - **Brand:** Brightwell Aquatics - **Item Form:** Liquid - **Item Weight:** 9.6 ounces - **Liquid Volume:** 8 fluid ounces - **Unit Count:** 1 Count ## Images ![Brightwell Aquatics Ferrion Iron Supplement for Reef Aquariums, 250ml - Image 1](https://m.media-amazon.com/images/I/610pMjcIsBL.jpg) ![Brightwell Aquatics Ferrion Iron Supplement for Reef Aquariums, 250ml - Image 2](https://m.media-amazon.com/images/I/81Kdj-Rf2FL.jpg) ![Brightwell Aquatics Ferrion Iron Supplement for Reef Aquariums, 250ml - Image 3](https://m.media-amazon.com/images/I/81x26sOc1KL.jpg) ![Brightwell Aquatics Ferrion Iron Supplement for Reef Aquariums, 250ml - Image 4](https://m.media-amazon.com/images/I/81qol+j6jyL.jpg) ![Brightwell Aquatics Ferrion Iron Supplement for Reef Aquariums, 250ml - Image 5](https://m.media-amazon.com/images/I/81+90eBmwPL.jpg) ## Questions & Answers **Q: Can be used in freshwater planted tanks?** A: As far as I am aware this product is designed based on marine chemistry. From Brightwell's website "Highly-concentrated and stable iron solution for supplementing aquaria containing hermatypic organisms (i.e. β€œphotosynthetic” or zooxanthellate corals, clams, and their allies), macroalgae, coralline algae, mangroves, marsh grasses, and other desirable marine algae and plants. Particularly suited to systems outfitted with a refugium or mud system." **Q: The title says, "Brightwell Aquatics Abafer500 Ferrion Liquid Salt Water conditioners for aquarium". Is it liquid salt water or liquid iron?** A: It's a liquid iron supplement for marine aquariums (salt water) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Brightwell Aquatics Ferrion. 8oz. *by J***W on June 9, 2025* Product arrived when expected, and well package. This is my first time using Ferrion, but I have used other Brightwell Aquatics products, and have been happy with them all. Thank you. ### ⭐⭐⭐⭐⭐ If your Chaeto dying BUY THIS !!! *by A***A on November 11, 2024* I had issues with keeping macro algae alive. This thing is a miracle. For some might not be a big deal but for noobs this is what you need for macro algae in saltwater as far as my experience ### ⭐⭐⭐⭐ Childproof cap is ridiculously frustrating but the product is good *by A***N on July 1, 2020* This would be 5 stars if they put a regular screw cap on the bottle. It's such a pain trying to get the child proof cap of and when you do you end up spilling the product everywhere! ## Frequently Bought Together - Brightwell Aquatics Ferrion - Concentrated Iron Supplement for Marine Fish and Reef Aquariums 250-ml - Brightwell Aquatics - ChaetoGro - Algae Nutrient Supplement for Chaetomorpha Growth in All Marine Fish Tanks - Multi-Nutrient Aquarium Water Treatments, 8.45 fl oz - Brightwell Aquatics - NeoPhos - Balanced Phosphorus Source for Phosphorus-Limited, Low-Nutrient Reef Aquaria - Aquarium Water Treatments, 16.9 fl oz --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/18075301-brightwell-aquatics-ferrion-iron-supplement-for-reef-aquariums-250ml](https://www.desertcart.jp/products/18075301-brightwell-aquatics-ferrion-iron-supplement-for-reef-aquariums-250ml) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-30*