--- product_id: 201915223 title: "Coralline Accelerator - Multi-Nutrient Supplement for Coralline Algae Growth in Marine and Reef Aquariums - Aquarium Water Treatments, 8.45 fl oz" brand: "brightwell aquatics" price: "€ 36.91" currency: EUR in_stock: true reviews_count: 8 category: "Brightwell Aquatics" url: https://www.desertcart.hr/products/201915223-coralline-accelerator-multi-nutrient-supplement-for-coralline-algae-growth-in store_origin: HR region: Croatia --- # Balanced Ca, Sr, Mg, K blend pH stabilization via alkalinity boost Premium American-made quality Coralline Accelerator - Multi-Nutrient Supplement for Coralline Algae Growth in Marine and Reef Aquariums - Aquarium Water Treatments, 8.45 fl oz **Brand:** brightwell aquatics **Price:** € 36.91 **Availability:** ✅ In Stock ## Summary > 🌊 Elevate Your Reef Game with Science-Backed Brilliance! ## Quick Answers - **What is this?** Coralline Accelerator - Multi-Nutrient Supplement for Coralline Algae Growth in Marine and Reef Aquariums - Aquarium Water Treatments, 8.45 fl oz by brightwell aquatics - **How much does it cost?** € 36.91 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/201915223-coralline-accelerator-multi-nutrient-supplement-for-coralline-algae-growth-in) ## 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 - • **Effortless Dosing:** Simple 10 ml per 50 gallons every other day keeps calcium levels perfect (412-450 ppm). - • **Pure & Clean Formula:** Free from phosphates, silicates, and organics to protect water clarity and reef health. - • **Precision Reef Nutrition:** Optimized aragonite-like ratios fuel vibrant coralline algae and reef growth. - • **Stable Aquarium Chemistry:** Boosts alkalinity to maintain ideal pH, creating a thriving reef ecosystem. - • **Trusted American Craftsmanship:** Scientifically backed, USA-made supplement trusted by reef pros and hobbyists alike. ## Overview Brightwell Aquatics Coralline Accelerator is a scientifically formulated multi-nutrient supplement designed to promote coralline algae and reef-building invertebrate growth. It delivers a precise balance of calcium, strontium, magnesium, and potassium in aragonite-like ratios, stabilizes pH through alkalinity enhancement, and maintains a pure aquarium environment free of harmful phosphates and silicates. Made in the USA, this 250 ml solution is easy to dose and trusted by reef enthusiasts to sustain vibrant, healthy marine ecosystems. ## Description Brightwell Aquatics Coralline Accelerator Multi-Nutrient Supplement for Coralline Algae Growth Experience a new era of aquarium care with Brightwell Aquatics Coralline Accelerator Multi-Nutrient Supplement for Coralline Algae Growth. It is the ultimate solution for dedicated reef enthusiasts in search of unparalleled support for their aquarium ecosystems. This formula serves as a comprehensive source of essential elements for coralline algae, corals, clams, and other reef-building invertebrates. Mimicking optimal ratios in aragonite, it delivers calcium, strontium, magnesium, and potassium with exceptional balance. Boasting a robust carbonate-rich composition, it aids aragonite formation and enhances alkalinity for pH stabilization. Free of phosphate, silicate, and organic materials, it maintains a pure aquarium environment. The Coralline Accelerator, derived from natural aragonite, stands as a flexible and effective choice for reef hobbyists. It offers both novice-friendly simplicity and advanced supplementation options. Whether you're setting up a new tank or maintaining an established one, choose Coralline Accelerator Multi-Nutrient Supplement for Coralline Algae Growth for a cleaner and healthier aquatic environment. 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. Review: Reef additive - As described Review: Recommended - Very good ## Features - COMPLETE REEF BUILDING SUPPORT – The Coralline Accelerator Multi-Nutrient Supplement for Coralline algae growth with essential elements for corals, clams, and other reef-building invertebrates. Note: does not contain live coralline algae; hobbyists should supply it from a pet store or other source - OPTIMAL RATIO MIMICRY – Delivers a balanced mix of calcium, strontium, magnesium, and potassium in aragonite-like ratios, promoting reef health. This aquarium plant fertilizer also serves as a sturdy source of carbonates extracted from aragonite, crucial for reef-building organisms - PH STABILIZATION – Increasing alkalinity stabilizes pH, this coralline algae starter creates a thriving environment for reef organisms. They prosper when aragonite components are present in sufficient concentrations, fostering a healthy, sustainable habitat, contributing to aquarium ecosystem success - DIRECTIONS – Test calcium levels before use. For basic use, add 10 ml per 50 gallons every other day to maintain calcium levels between 412-450 ppm. Dose in the late evening to prevent water cloudiness. Note: 1 ml of Coralline Accelerator increases calcium by about 20 ppm in 1 gallon - 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 | B086XMDK9V | | ASIN | B086XMDK9V | | Allergen Information | Sulphites Free | | Best Sellers Rank | #52,391 in Pet Supplies ( See Top 100 in Pet Supplies ) #490 in Aquarium Water Treatments | | Brand Name | Brightwell Aquatics | | Customer Reviews | 4.6 4.6 out of 5 stars (252) | | Date First Available | April 9, 2020 | | Included Components | Coralline Accelerator | | Is Discontinued By Manufacturer | No | | Item Form | Liquid | | Item Type Name | Water Conditioner | | Item Weight | 14.07 Ounces | | Item model number | CORA250 | | Liquid Volume | 250 Milliliters | | Manufacturer | Brightwell Aquatics | | Manufacturer | Brightwell Aquatics | | Manufacturer Part Number | CORA250 | | Model Number | CORA250 | | Package Dimensions | 6.65 x 1.85 x 1.77 inches; 14.07 ounces | | Target Species | Invertebrates | | UPC | 810086019656 | | Unit Count | 1 Count | ## Product Details - **Brand:** Brightwell Aquatics - **Item Form:** Liquid - **Item Weight:** 14.07 Ounces - **Liquid Volume:** 250 Milliliters - **Manufacturer:** Brightwell Aquatics ## Images ![Coralline Accelerator - Multi-Nutrient Supplement for Coralline Algae Growth in Marine and Reef Aquariums - Aquarium Water Treatments, 8.45 fl oz - Image 1](https://m.media-amazon.com/images/I/71Dl9o7Kv-L.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Reef additive *by T***T on April 13, 2026* As described ### ⭐⭐⭐⭐⭐ Recommended *by K***R on March 7, 2026* Very good ### ⭐⭐⭐⭐⭐ Consistent *by M***Z on December 19, 2025* Reliable - a good product ## Frequently Bought Together - Brightwell Aquatics - Coralline Accelerator - Multi-Nutrient Supplement for Coralline Algae Growth in Marine and Reef Aquariums - Aquarium Water Treatments, 8.45 fl oz - Coralline Algae in a Bottle + Nitrifying Bacteria for Saltwater Aquariums, Pink Fusion Strain - Coralline Algae in a Bottle, Purple Helix Plus Version, Live Spores + Nitrifying Bacteria --- ## 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.hr/products/201915223-coralline-accelerator-multi-nutrient-supplement-for-coralline-algae-growth-in](https://www.desertcart.hr/products/201915223-coralline-accelerator-multi-nutrient-supplement-for-coralline-algae-growth-in) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-04-23*