--- product_id: 89982509 title: "Brightwell Aquatics Chaeto Gro Liquid Fertilizer for Chaetomorpha, 500 ml" brand: "brightwell aquatics" price: "R1218" currency: ZAR in_stock: true reviews_count: 13 url: https://www.desertcart.co.za/products/89982509-brightwell-aquatics-chaeto-gro-liquid-fertilizer-for-chaetomorpha-500-ml store_origin: ZA region: South Africa --- # 13 essential elements Nitrate & phosphate free Proudly made in USA Brightwell Aquatics Chaeto Gro Liquid Fertilizer for Chaetomorpha, 500 ml **Brand:** brightwell aquatics **Price:** R1218 **Availability:** ✅ In Stock ## Summary > 🌊 Elevate your reef game with the ultimate chaeto growth formula! ## Quick Answers - **What is this?** Brightwell Aquatics Chaeto Gro Liquid Fertilizer for Chaetomorpha, 500 ml by brightwell aquatics - **How much does it cost?** R1218 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/89982509-brightwell-aquatics-chaeto-gro-liquid-fertilizer-for-chaetomorpha-500-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 - • **Flexible Dosing Regimen:** Tailor your dosing from twice weekly to daily for precise nutrient control and optimal algae health. - • **Clean & Balanced Aquarium:** Nitrate and phosphate free formula prevents nutrient overload and promotes natural filtration. - • **Complete Multi-Nutrient Boost:** Supports vibrant chaetomorpha growth with 13 critical elements for algae vitality. - • **Universal Marine Compatibility:** Safe for all marine aquariums including ULNS, shrimp, and invertebrates—versatility you can trust. - • **American-Made Quality Assurance:** Crafted in the USA by Brightwell Aquatics, a leader in scientifically backed aquatic care. ## Overview Brightwell Aquatics ChaetoGro is a premium 500 ml multi-nutrient liquid fertilizer designed to enhance chaetomorpha algae growth by delivering 13 essential elements while being nitrate and phosphate free. Compatible with all marine aquariums including ULNS and safe for shrimp and invertebrates, it offers flexible dosing options and is proudly made in the USA to ensure superior quality and aquarium vibrancy. ## Description Brightwell Aquatics ChaetoGro Multi-Nutrient Supplement for Chaetomorpha Growth Experience a new standard in aquarium water treatment with Brightwell Aquatics' Balanced ChaetoGro Multi-Nutrient Supplement for Chaetomorpha Growth – the ultimate solution for achieving a balanced and thriving aquatic environment for algae and reef. Backed by extensive research on algae nutrient requirements, this chaeto grow supplement stands out as a premium choice for enthusiasts seeking a well-balanced and effective approach to aquarium care. Crafted with precision, ChaetoGro offers a comprehensive blend of 13 critical elements essential for algae's proper functioning. Experience dosing flexibility with both basic and advanced options, choosing daily dosing for a stable environment. Compatible with all marine aquariums and ULNS systems, this product is safe for shrimp and invertebrates. Combine it with MicroBacter7 and Reef BioFuel or Katalyst for enhanced effectiveness. Follow expert recommendations to maintain optimal nutrient levels for chaeto algae growth. Whether you're setting up a new tank or maintaining an established one, ChaetoGro is your go-to solution. FEATURES AT A GLANCE Suitable for all marine aquariums and ULNS systems Safe for shrimp and invertebrates Phosphate and Nitrate free Provides 13 elements critical to long-term health, growth, and coloration of marine algae, also replenishes these elements so that they are available for corals and other inverts Well-suited to ULNS aquariums and designed for nutrient control of phosphates and nitrates by chaetomorpha uptake Formulated utilizing extensive research on aquatic algae nutrient requirements AMERICAN-MADE EXCELLENCE Trust in the quality and excellence of Brightwell Aquatics, an industry-leading brand committed to providing innovative and scientifically backed aquatic care products. Made in the USA, we consistently strive to deliver advanced superior quality solutions to elevate the vibrancy and health of your aquarium. ## 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 | B07FM7KS76 | | Best Sellers Rank | #240 in Aquarium Water Treatments | | Date First Available | July 12, 2018 | | Item Model Number | CHGR500 | | Manufacturer | Brightwell Aquatics | | Product Dimensions | 2.5 x 2.5 x 6.75 inches; 1.15 pounds | ## Product Details - **Brand:** Brightwell Aquatics - **Item Form:** Liquid - **Item Weight:** 1.2 pounds - **Liquid Volume:** 500 ml - **Unit Count:** 1 Count ## Images ![Brightwell Aquatics Chaeto Gro Liquid Fertilizer for Chaetomorpha, 500 ml - Image 1](https://m.media-amazon.com/images/I/71iriyIsNdL.jpg) ## Available Options This product comes in different **Size** options. ## 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 on Reviewed in the United States December 6, 2025* This stuff is really good, not only for chaeto, but for fertilizing all macroalgae. ### ⭐⭐⭐⭐⭐ Good fertilizer *by on Reviewed in the United States July 20, 2026* Product does what it’s supposed to. ### ⭐⭐⭐⭐⭐ Great *by on Reviewed in the United States 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, 16.9 fl oz - Brightwell Aquatics NeoNitro Balanced Nitrogen Supplement - Reef Nutrient Enhancer for Ultra-Low Nutrient Systems - Aquarium Water Treatments, 17 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? - 🛒 **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.co.za/products/89982509-brightwell-aquatics-chaeto-gro-liquid-fertilizer-for-chaetomorpha-500-ml](https://www.desertcart.co.za/products/89982509-brightwell-aquatics-chaeto-gro-liquid-fertilizer-for-chaetomorpha-500-ml) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-09-08*