--- product_id: 634375199 title: "Brightwell Aquatics Blackwater Humic Fulvic Acid Supplement Simulates Natural Blackwater Conditions Supports Nutrient Uptake in Freshwater Planted Aquariums, 125 ml" brand: "brightwell aquatics" price: "$25.47" currency: USD in_stock: true category: "Brightwell Aquatics" url: https://www.desertcart.us/products/634375199-brightwell-aquatics-blackwater-humic-fulvic-acid-supplement-simulates-natural-blackwater store_origin: US region: United States of America --- # 125 ml nutrient booster stimulates natural spawning softens & stabilizes water Brightwell Aquatics Blackwater Humic Fulvic Acid Supplement Simulates Natural Blackwater Conditions Supports Nutrient Uptake in Freshwater Planted Aquariums, 125 ml **Brand:** brightwell aquatics **Price:** $25.47 **Availability:** ✅ In Stock ## Summary > 🌿 Elevate your aquarium’s ecosystem—because your fish deserve the rainforest experience! ## Quick Answers - **What is this?** Brightwell Aquatics Blackwater Humic Fulvic Acid Supplement Simulates Natural Blackwater Conditions Supports Nutrient Uptake in Freshwater Planted Aquariums, 125 ml by brightwell aquatics - **How much does it cost?** $25.47 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/634375199-brightwell-aquatics-blackwater-humic-fulvic-acid-supplement-simulates-natural-blackwater) ## 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 - • **Proudly American-Made Quality:** Trust in Brightwell Aquatics’ scientifically backed, premium formulation for superior aquarium care. - • **Maximize Plant Nutrient Uptake:** Boost iron, calcium, and trace element absorption for lush, vibrant aquatic plants. - • **Encourage Natural Fish Spawning:** Trigger rainy season cues to promote breeding behavior in Discus, Tetras, and other softwater species. - • **Maintain Crystal Clear, Stable Water:** Naturally soften water and stabilize pH for healthier, stress-free aquatic life. - • **Simulate Authentic Blackwater Biotopes:** Recreate tropical river conditions for your freshwater aquarium with rich humic and fulvic acids. ## Overview Brightwell Aquatics Blackwater Humic Fulvic Acid Supplement is a 125 ml liquid formula designed to replicate natural blackwater river environments. It enhances nutrient bioavailability for freshwater plants, supports stable water parameters, and encourages natural spawning behaviors in softwater fish species. Made in the USA, this premium supplement is essential for planted tanks and biotope aquariums seeking vibrant, healthy aquatic life. ## Description Brightwell Aquatics BlackWater is a premium humic substance supplement formulated to replicate the natural conditions found in blackwater river systems such as the desertcart, Rio Negro, and forested Southeast Asian streams. Rich in humic and fulvic acids, BlackWater not only darkens the water slightly to create a more natural habitat, but also enhances the bioavailability of critical nutrients for aquatic plants, like iron, calcium, magnesium, and trace elements. This helps maximize the effectiveness of plant nutrient dosing and promotes lush growth in planted aquariums. BlackWater is especially beneficial for freshwater fish and shrimp species that come from low-mineral environments, such as Discus, Tetras, and other softwater fish. By naturally softening water and creating environmental cues tied to the rainy season, it can also help stimulate breeding behavior. When used regularly, BlackWater supports stable conditions, improved coloration, reduced stress, and better overall vitality for your aquatic life. Whether you're building a blackwater biotope, maintaining a planted tank, or encouraging fish to spawn, Brightwell BlackWater is an essential part of your freshwater aquarium care routine. ## Features - ENHANCES BLACKWATER CONDITIONS Provides humic and fulvic acids to simulate natural blackwater rivers found in tropical freshwater environments. - SUPPORTS PLANT NUTRIENT ABSORPTION Increases nutrient bioavailability for plants by improving uptake of iron, calcium, and trace elements. - ENCOURAGES NATURAL SPAWNING BEHAVIOR Mimics rainy season cues to promote spawning in species like Discus and Cardinal Tetras. - MAINTAINS STABLE AQUARIUM PARAMETERS Helps naturally soften water, support pH stability, and enhance overall water quality and appearance. - 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 | B07QSYT7MR | | Allergen Information | Sulphites Free | | Best Sellers Rank | #59,760 in Pet Supplies ( See Top 100 in Pet Supplies ) #6,101 in Fish & Aquatic Pets | | Brand Name | Brightwell Aquatics | | Customer Reviews | 4.4 4.4 out of 5 stars (256) | | Global Trade Identification Number | 00810086011728 | | Included Components | BlackWater | | Item Form | Liquid | | Item Type Name | Water Conditioner | | Item Weight | 0.15 Kilograms | | Liquid Volume | 125 Milliliters | | Manufacturer | Brightwell Aquatics | | Manufacturer Part Number | BWR125 | | Model Number | BWR125 | | Pet Type | Fish | | Target Species | Fish | | UPC | 810086011728 | | Unit Count | 1 Count | ## Product Details - **Brand:** Brightwell Aquatics - **Item form:** Liquid - **Item weight:** 0.15 Kilograms - **Liquid volume:** 125 Milliliters - **Unit count:** 1 Count ## Images ![Brightwell Aquatics Blackwater Humic Fulvic Acid Supplement Simulates Natural Blackwater Conditions Supports Nutrient Uptake in Freshwater Planted Aquariums, 125 ml - Image 1](https://m.media-amazon.com/images/I/71qQL6CMvWL.jpg) ![Brightwell Aquatics Blackwater Humic Fulvic Acid Supplement Simulates Natural Blackwater Conditions Supports Nutrient Uptake in Freshwater Planted Aquariums, 125 ml - Image 2](https://m.media-amazon.com/images/I/81c1UAYhwYL.jpg) ![Brightwell Aquatics Blackwater Humic Fulvic Acid Supplement Simulates Natural Blackwater Conditions Supports Nutrient Uptake in Freshwater Planted Aquariums, 125 ml - Image 3](https://m.media-amazon.com/images/I/81jo8JHcKIL.jpg) ![Brightwell Aquatics Blackwater Humic Fulvic Acid Supplement Simulates Natural Blackwater Conditions Supports Nutrient Uptake in Freshwater Planted Aquariums, 125 ml - Image 4](https://m.media-amazon.com/images/I/81Aq1raXb9L.jpg) ![Brightwell Aquatics Blackwater Humic Fulvic Acid Supplement Simulates Natural Blackwater Conditions Supports Nutrient Uptake in Freshwater Planted Aquariums, 125 ml - Image 5](https://m.media-amazon.com/images/I/91WtsaLH+XL.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/634375199-brightwell-aquatics-blackwater-humic-fulvic-acid-supplement-simulates-natural-blackwater](https://www.desertcart.us/products/634375199-brightwell-aquatics-blackwater-humic-fulvic-acid-supplement-simulates-natural-blackwater) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-23*