---
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: "¥27388"
currency: JPY
in_stock: true
category: "Red Sea"
url: https://www.desertcart.jp/products/640481017-small-40-gallon-4-part-rcp-complete-reef-care-supplement
store_origin: JP
region: Japan
---

# Boosts coral growth & vitality Optimized for 40-gallon reefs 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:** ¥27388
**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?** ¥27388 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/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

- • **Liquid Precision:** Easy-to-use liquid supplements for consistent dosing
- • **Complete 4-Part Formula:** Calcium, Magnesium, Strontium & Barium for balanced reef chemistry
- • **Tailored for 40 Gallons:** Perfectly dosed for small to medium reef tanks
- • **Trace Element Powerhouse:** Includes 22+ bioactive trace elements for vibrant coral health
- • **Trusted Brand & Proven Results:** Red Sea’s 4.6-star rated system ensures thriving marine ecosystems

## Overview

The Red Sea Small 4-Part RCP is a liquid dosing system designed for 40-gallon saltwater reef aquariums. It delivers essential minerals like Calcium, Magnesium, and Strontium, plus 22+ trace elements, ensuring optimal coral growth and vibrant marine life. Trusted by hobbyists, this kit offers precise, easy dosing to maintain balanced water chemistry and promote healthy reef ecosystems.

## 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

## 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 |
| ASIN  | B0D8R8VLL5 |
| Best Sellers Rank | #57,348 in Pet Supplies ( See Top 100 in Pet Supplies ) #501 in Aquarium Water Treatments |
| Brand Name | Red Sea |
| Customer Reviews | 4.6 4.6 out of 5 stars (28) |
| Date First Available  | July 3, 2024 |
| Department  | Adults |
| Included Components | Kit |
| Item Form | Liquid |
| Item Type Name | Box |
| Item Weight | 5 Pounds |
| Item model number  | RCP |
| Liquid Volume | 1 Liters |
| Manufacturer | Red Sea |
| Manufacturer  | Red Sea |
| Manufacturer Part Number | RCP |
| Model Number | RCP |
| Product Dimensions  | 7.87 x 3.94 x 11.81 inches; 5 Pounds |
| 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
- **Unit Count:** 1 Count

## 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)

## Available Options

This product comes in different **Size** options.

## 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

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**Shop now:** [https://www.desertcart.jp/products/640481017-small-40-gallon-4-part-rcp-complete-reef-care-supplement](https://www.desertcart.jp/products/640481017-small-40-gallon-4-part-rcp-complete-reef-care-supplement)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-07-12*