--- product_id: 78452645 title: "Brightwell Aquatics Chaeto Gro Liquid Fertilizer for Chaetomorpha, 250 ml" brand: "brightwell aquatics" price: "R754" currency: ZAR in_stock: true reviews_count: 13 category: "Brightwell Aquatics" url: https://www.desertcart.co.za/products/78452645-brightwell-aquatics-chaeto-gro-liquid-fertilizer-for-chaetomorpha-250-ml store_origin: ZA region: South Africa --- # Nitrate & phosphate free 13 essential elements Proudly USA-made Brightwell Aquatics Chaeto Gro Liquid Fertilizer for Chaetomorpha, 250 ml **Brand:** brightwell aquatics **Price:** R754 **Availability:** βœ… In Stock ## Summary > 🌿 Elevate your marine garden with the ultimate algae nutrient power-up! ## Quick Answers - **What is this?** Brightwell Aquatics Chaeto Gro Liquid Fertilizer for Chaetomorpha, 250 ml by brightwell aquatics - **How much does it cost?** R754 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/78452645-brightwell-aquatics-chaeto-gro-liquid-fertilizer-for-chaetomorpha-250-ml) ## 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€’ **Clean & Balanced Formula:** Nitrate and phosphate free to prevent harmful nutrient overload and maintain aquarium harmony. - β€’ **Trusted American Innovation:** Scientifically formulated and proudly crafted in the USA for superior aquatic care. - β€’ **Complete Multi-Nutrient Boost:** Supports vibrant chaetomorpha growth with 13 critical minerals for algae vitality. - β€’ **Universal Marine Algae Support:** Optimized for all marine algae, including delicate invertebrates and ULNS systems. - β€’ **Precision Dosing for Maximum Impact:** Flexible dosing regimen treats up to 2,000 gallons, ensuring tailored nutrient delivery. ## Overview Brightwell Aquatics ChaetoGro is a premium liquid fertilizer delivering 13 essential elements to promote healthy, robust chaetomorpha and other marine algae growth. Free from nitrates and phosphates, it prevents nutrient imbalances while supporting photosynthesis and protein synthesis. Suitable for all marine aquariums, this USA-made supplement offers precise dosing for up to 2,000 gallons, ensuring sustained vitality for your aquatic ecosystem. ## Description Nutrients are substances required by algae for survival; they are collectively involved in all aspects of the biological and chemical reactions that allow algae to function properly. Brightwell Aquatics ChaetoGro provides these substances in concentrations found by researchers to be necessary for long-term health. These elements, and some of the processes that they are involved in, are: Potassium - Protein synthesis, water and charge balance, enzyme activation. Boron - Chlorophyll production, flowering, root growth, cell function. Carbon - Required for all organic compounds. Calcium - Cell wall stability and permeability, enzyme activation, cell response to stimuli. Chlorine - Water and charge balance, photosynthesis. Iron - Required for photosynthesis, component of enzymes utilized in redox reactions. Magnesium - Component of chlorophyll, enzyme activation. Manganese - Formation of amino acids, enzyme activation. Molybdenum and Cobalt - Required for nitrate reduction. Nickel - Enzyme activation, processing of nitrogenous material. Sulfur - Component of proteins and the coenzymes that are involved with nutrient utilization and growth. Zinc - Chlorophyll production, enzyme activation. ChaetoGro does not contain phosphorus or nitrogen. Review: Algae nutrient supplement - This stuff is really good, not only for chaeto, but for fertilizing all macroalgae. Review: Good fertilizer - Product does what it’s supposed to. ## Features - MULTI-NUTRIENT SUPPLEMENT – This multi-nutrient supplement for chaeto growth supplies essential nutrients necessary for the health and growth of chaetomorpha algae. ChaetoGro is nitrate and phosphate free, removing excess nitrates and phosphates - MULTI-ELEMENT SUPPORT – This mineral supplement includes 13 critical elements. For example, Potassium supports protein synthesis, boron supplements support chlorophyll production, and magnesium acts as a component of chlorophyll enzyme activation - FOR ALL MARINE ALGAE – Use MicroBacter 7, Reef BioFuel, or Katalyst to sustain proper carbon levels and bacterial function essential for Chaeto's effectiveness. Suitable for all marine aquariums, including ULNS, shrimp and other invertebrates - DIRECTIONS – Shake this algae nutrient before use. In the initial 2 weeks add 5ml per 20 gallons twice weekly. In a basic regimen, 500 ml treats up to 2,000 gallons. The advanced daily dose is 6 drops per 20 gallons, then adjusted weekly - AMERICAN-MADE EXCELLENCE – Brightwell Aquatics is a top brand dedicated to creating innovative, scientifically backed aquatic care products. Proudly made in the USA, we deliver superior solutions to enhance the health and vibrancy of your aquarium ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07FLZV88D | | Allergen Information | Sulphites Free | | Best Sellers Rank | #33,772 in Pet Supplies ( See Top 100 in Pet Supplies ) #290 in Aquarium Water Treatments | | Brand | Brightwell Aquatics | | Brand Name | Brightwell Aquatics | | Customer Reviews | 4.6 out of 5 stars 636 Reviews | | Global Trade Identification Number | 00810086017065 | | Included Components | Chaeto Gro | | Item Form | Liquid | | Item Type Name | Algae Supplement | | Item Weight | 10.24 ounces | | Liquid Volume | 250 ml | | Manufacturer | Brightwell Aquatics | | Manufacturer Part Number | CHGR250 | | Model Number | CHGR250 | | Number of Items | 1 | | Number of Packs | 1 | | Pet Type | Fish | | Target Species | Invertebrates | | UPC | 810086017065 | | Unit Count | 1 Count | ## Product Details - **Brand:** Brightwell Aquatics - **Item Form:** Liquid - **Item Weight:** 10.24 ounces - **Liquid Volume:** 250 ml - **Number of Packs:** 1 ## Images ![Brightwell Aquatics Chaeto Gro Liquid Fertilizer for Chaetomorpha, 250 ml - Image 1](https://m.media-amazon.com/images/I/7168ZL1ur9L.jpg) ## Questions & Answers **Q: Is this suited for Caulerpa and other macroalgae as well?** A: Yes it is **Q: Used as stated on instructions, but had 3 fish die after 2nd dose. Is there something in this product that could have cause this? Looks Chemical burn** A: I have used many times but didn't kill any fish though I don't have tons of fish. I usually like corals. I would suggest contact Brisghtwell. **Q: should you use bothe chaeto grow and fereiron together?** A: I used only Chaeto. **Q: I have a small refugium inside my display tank if I add this my live stock will be fine?** A: "It says it won't". It won't what, be fine, or they mean it is fine for live stock? ## Customer Reviews ### ⭐⭐⭐⭐⭐ Algae nutrient supplement *by C***N on December 6, 2025* This stuff is really good, not only for chaeto, but for fertilizing all macroalgae. ### ⭐⭐⭐⭐⭐ Good fertilizer *by P***. on July 20, 2026* Product does what it’s supposed to. ### ⭐⭐⭐⭐⭐ Great *by F***N on May 26, 2026* Great ## Frequently Bought Together - 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 NeoNitro Balanced Nitrogen Supplement - Reef Nutrient Enhancer for Ultra-Low Nutrient Systems - Aquarium Water Treatments, 17 fl oz - Brightwell Aquatics Ferrion - Concentrated Iron Supplement for Marine Fish and Reef Aquariums 250-ml --- ## 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.co.za/products/78452645-brightwell-aquatics-chaeto-gro-liquid-fertilizer-for-chaetomorpha-250-ml](https://www.desertcart.co.za/products/78452645-brightwell-aquatics-chaeto-gro-liquid-fertilizer-for-chaetomorpha-250-ml) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-09-05*