---
product_id: 640243154
title: "Red Sea Medium (80 Gallon) 4-Part RCP Complete Reef Care Supplement Dosing System for Saltwater Mixed Reef Marine Aquariums for Optimal Coral Growth"
brand: "red sea"
price: "A$328"
currency: AUD
in_stock: true
reviews_count: 5
category: "Red Sea"
url: https://www.desertcart.com.au/products/640243154-red-sea-medium-80-gallon-4-part-rcp-complete-reef
store_origin: AU
region: Australia
---

# For fish 1L volume 5 lbs weight Red Sea Medium (80 Gallon) 4-Part RCP Complete Reef Care Supplement Dosing System for Saltwater Mixed Reef Marine Aquariums for Optimal Coral Growth

**Brand:** red sea
**Price:** A$328
**Availability:** ✅ In Stock

## Summary

> 🌊 Dive into effortless reef care!

## Quick Answers

- **What is this?** Red Sea Medium (80 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?** A$328 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/640243154-red-sea-medium-80-gallon-4-part-rcp-complete-reef)

## 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

- • **All-in-One Solution:** Four-part formula ensures balanced nutrient delivery for vibrant reef ecosystems.
- • **Smart Dosing System:** Set it and forget it with Red Sea’s ReefDose for automated precision.
- • **Effortless Coral Care:** Achieve optimal coral growth with just one calcium test per week!
- • **Tailored for All Sizes:** Available in three sizes to fit any aquarium setup seamlessly.
- • **Research-Backed Performance:** Developed from extensive research for reliable and effective results.

## Overview

The Red Sea Medium 4-Part RCP Complete Reef Care Supplement Dosing System is designed for saltwater mixed reef marine aquariums, ensuring optimal coral growth with minimal effort. Weighing 5 pounds and offering 1 liter of liquid, this system simplifies coral care with a single weekly calcium test, making it perfect for both novice and experienced hobbyists.

## Description

desertcart.com : Red Sea Medium (80 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D8RK2MK3 |
| ASIN  | B0D8RK2MK3 |
| Best Sellers Rank | #74,626 in Pet Supplies ( See Top 100 in Pet Supplies ) #629 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 |
| 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 |
| Number of Items | 1 |
| Pet Type | Fish |
| Product Dimensions  | 11.81 x 7.87 x 7.87 inches; 5 pounds |
| Target Species | Fish |
| UPC | 730773227532 |
| 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

![Red Sea Medium (80 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/614yJWcfX2L.jpg)
![Red Sea Medium (80 Gallon) 4-Part RCP Complete Reef Care Supplement Dosing System for Saltwater Mixed Reef Marine Aquariums for Optimal Coral Growth - Image 2](https://m.media-amazon.com/images/I/712v5YZc66L.jpg)
![Red Sea Medium (80 Gallon) 4-Part RCP Complete Reef Care Supplement Dosing System for Saltwater Mixed Reef Marine Aquariums for Optimal Coral Growth - Image 3](https://m.media-amazon.com/images/I/71BVVI1pFRL.jpg)
![Red Sea Medium (80 Gallon) 4-Part RCP Complete Reef Care Supplement Dosing System for Saltwater Mixed Reef Marine Aquariums for Optimal Coral Growth - Image 4](https://m.media-amazon.com/images/I/71Wkk8tNaPL.jpg)
![Red Sea Medium (80 Gallon) 4-Part RCP Complete Reef Care Supplement Dosing System for Saltwater Mixed Reef Marine Aquariums for Optimal Coral Growth - Image 5](https://m.media-amazon.com/images/I/61QBIxkrAUL.jpg)

## Available Options

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

## 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 Medium (80 Gallon) 4-Part RCP Complete Reef Care Supplement Dosing System for Saltwater Mixed Reef Marine Aquariums for Optimal Coral Growth
- Red Sea ReefDose 4 Head Wireless Dosing Pump for Supplements, Foods & Trace Elements in Saltwater Aquariums | ReefBeat App Controlled Reef Marine
- Red Sea ReefDose Deluxe 4 Color Dosing Tube Kit Red Yellow Orange Pink | Saltwater Marine Aquarium Dosing Pump Tubing Set with Clips and Tubing Holder

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**Shop now:** [https://www.desertcart.com.au/products/640243154-red-sea-medium-80-gallon-4-part-rcp-complete-reef](https://www.desertcart.com.au/products/640243154-red-sea-medium-80-gallon-4-part-rcp-complete-reef)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-10-30*