--- product_id: 640481017 title: "Small (40 Gallon) 4-Part RCP Complete Reef Care Supplement Dosing System for Saltwater Mixed Reef Marine Aquariums for Optimal Coral Growth" brand: "red sea" price: "VT38331" currency: VUV in_stock: true reviews_count: 5 category: "Red Sea" url: https://www.desertcart.vu/products/640481017-small-40-gallon-4-part-rcp-complete-reef-care-supplement store_origin: VU region: Vanuatu --- # Boosts coral growth & color Optimized for 40-gallon reef tanks 4-part precision dosing Small (40 Gallon) 4-Part RCP Complete Reef Care Supplement Dosing System for Saltwater Mixed Reef Marine Aquariums for Optimal Coral Growth **Brand:** red sea **Price:** VT38331 **Availability:** ✅ In Stock ## Summary > 🌟 Elevate your reef game with precision dosing perfection! ## Quick Answers - **What is this?** Small (40 Gallon) 4-Part RCP Complete Reef Care Supplement Dosing System for Saltwater Mixed Reef Marine Aquariums for Optimal Coral Growth by red sea - **How much does it cost?** VT38331 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/640481017-small-40-gallon-4-part-rcp-complete-reef-care-supplement) ## Best For - red sea enthusiasts ## Why This Product - Trusted red sea brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Easy Liquid Dosing:** Ready-to-use liquid formula for hassle-free reef care - • **Stable Growth & Color:** Clinically proven to enhance coral growth rates and vivid coloration - • **Complete 4-Part Formula:** Calcium, Magnesium, Strontium & Barium for rock-solid coral health - • **Tailored for 40 Gallons:** Perfectly dosed for small to medium mixed reef aquariums - • **Trace Element Powerhouse:** Includes 25+ bioactive trace elements for vibrant reef ecosystems ## Overview The Red Sea Small 4-Part RCP is a scientifically formulated liquid dosing system designed for 40-gallon saltwater mixed reef aquariums. It delivers essential minerals like Calcium, Magnesium, and Strontium alongside 25+ trace elements to promote optimal coral growth, vibrant coloration, and stable reef health. Trusted by reef enthusiasts, this kit ensures professional-grade care with easy dosing and a 1-year manufacturer warranty. ## Description desertcart.com : Red Sea Small (40 Gallon) 4-Part RCP Complete Reef Care Supplement Dosing System for Saltwater Mixed Reef Marine Aquariums for Optimal Coral Growth : Pet Supplies Review: Simple, Effective - Loving the red sea dose system. Very easy to set up very consistent works fantastic with the red sea dose 4 pumps. Review: Great product, all positives no negatives - I have been using this 4 part for about 6 months now and results are amazing. If your looking for a way to take your reef tank to the next level this is it. Your corals will be healthier, have better color and growth rates are very stable and good. ## Features - Calcium, Magnesium, Strontium & Barium in Part #1 - KH/Alkalinity components in Part #2 - Potassium, Boron, Iodine, Bromine, and Fluorine in Part #3 - Iron, Manganese, Cobalt, Copper, Aluminum, Zinc, Chrome, Nickel, and 18 other bioactive trace elements in Part #4 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D8R8VLL5 | | Best Sellers Rank | #47,568 in Pet Supplies ( See Top 100 in Pet Supplies ) #448 in Aquarium Water Treatments | | Brand | Red Sea | | Brand Name | Red Sea | | Customer Reviews | 4.6 out of 5 stars 26 Reviews | | Included Components | Kit | | Item Form | Liquid | | Item Type Name | Box | | Item Weight | 5 Pounds | | Liquid Volume | 1 Liters | | Manufacturer | Red Sea | | Manufacturer Part Number | RCP | | Model Number | RCP | | Target Species | Fish | | UPC | 730773227518 | | Unit Count | 1 Count | | Warranty Description | 1 Year Manufacture | ## Product Details - **Brand:** Red Sea - **Item Form:** Liquid - **Item Weight:** 5 Pounds - **Liquid Volume:** 1 Liters - **Manufacturer:** Red Sea ## Images ![Small (40 Gallon) 4-Part RCP Complete Reef Care Supplement Dosing System for Saltwater Mixed Reef Marine Aquariums for Optimal Coral Growth - Image 1](https://m.media-amazon.com/images/I/61e4UeHK2+L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Simple, Effective *by T***. on April 15, 2026* Loving the red sea dose system. Very easy to set up very consistent works fantastic with the red sea dose 4 pumps. ### ⭐⭐⭐⭐⭐ Great product, all positives no negatives *by P***K on July 25, 2025* I have been using this 4 part for about 6 months now and results are amazing. If your looking for a way to take your reef tank to the next level this is it. Your corals will be healthier, have better color and growth rates are very stable and good. ### ⭐⭐⭐⭐⭐ Fast delivery but read the fine print *by S***L on December 19, 2024* Fine print says do not use if you have a refugium. Most of us use one. Use the Red Sea foundational product ## Frequently Bought Together - Red Sea Small (40 Gallon) 4-Part RCP Complete Reef Care Supplement Dosing System for Saltwater Mixed Reef Marine Aquariums for Optimal Coral Growth - Aquarium Choice dosing tubing for Saltwater dosing Pump and Dosing Pump Reservoir Container --- ## 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.vu/products/640481017-small-40-gallon-4-part-rcp-complete-reef-care-supplement](https://www.desertcart.vu/products/640481017-small-40-gallon-4-part-rcp-complete-reef-care-supplement) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-06*