---
product_id: 45747053
title: "Reef Octopus OCTO CR220 (CalReact) Calcium Reactor w/Varios 6 Pump"
brand: "octo"
price: "€ 2343.28"
currency: EUR
in_stock: true
category: "Octo"
url: https://www.desertcart.be/products/45747053-reef-octopus-octo-cr220-calreact-calcium-reactor-w-varios-6
store_origin: BE
region: Belgium
---

# Built-in CO2 bubble counters Supports aquariums up to 500 gallons VarioS 6 multi-speed pump Reef Octopus OCTO CR220 (CalReact) Calcium Reactor w/Varios 6 Pump

**Brand:** octo
**Price:** € 2343.28
**Availability:** ✅ In Stock

## Summary

> 🌊 Elevate your reef game—precision chemistry for thriving aquatic masterpieces!

## Quick Answers

- **What is this?** Reef Octopus OCTO CR220 (CalReact) Calcium Reactor w/Varios 6 Pump by octo
- **How much does it cost?** € 2343.28 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/45747053-reef-octopus-octo-cr220-calreact-calcium-reactor-w-varios-6)

## Best For

- octo enthusiasts

## Why This Product

- Trusted octo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **CO2 Drip Rate Transparency:** Built-in bubble counters let you fine-tune CO2 dosing with visual feedback.
- • **Large Capacity Compatibility:** Engineered for aquariums up to 500 gallons—scale your reef without compromise.
- • **Real-Time pH Monitoring Ready:** Integrated pH probe holder ensures you stay ahead of fluctuations (probe/controller sold separately).
- • **Customizable Flow with VarioS 6 Pump:** Adjust pump speeds for optimal nutrient delivery tailored to your reef’s needs.
- • **Precision Alkalinity & Calcium Control:** Maintain perfect reef chemistry effortlessly with advanced CalReact technology.

## Overview

The Reef Octopus OCTO CR220 Calcium Reactor with VarioS 6 pump is a high-performance system designed to maintain optimal alkalinity, calcium, and trace elements in demanding reef aquariums up to 500 gallons. Featuring a multi-speed pump, built-in CO2 bubble counters, and a pH probe holder, it offers precise control and monitoring to keep your reef ecosystem flourishing.

## Description

The Reef Octopus OCTO CR220 (CalReact) Calcium Reactor w/ VarioS 6 multiple speed pump meet the challenging task of maintaining alkalinity, calcium and trace elements on a demanding reef system. All models come with a PH probe holder (probe and PH controller sold separately) to monitor Ph levels in the main reactor chamber, and also come with built in bubble counters to monitor Co2 drip rates. For aquariums up to 500 gallons.

## Features

- The Reef Octopus OCTO CR220 (CalReact) Calcium Reactor w/ VarioS 6 multiple speed pump meet the challenging task of maintaining alkalinity, calcium and trace elements on a demanding reef system
- All models come with a PH probe holder (probe and PH controller sold separately) to monitor Ph levels in the main reactor chamber, and also come with built in bubble counters to monitor Co2 drip rates
- For aquariums up to 500 gallons

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B073RMSTY3 |
| Best Sellers Rank | #347,212 in Pet Supplies ( See Top 100 in Pet Supplies ) #1,308 in Aquarium Water Pumps |
| Brand | OCTO |
| Brand Name | OCTO |
| Customer Reviews | 5.0 out of 5 stars 1 Review |
| Item Form | Device |
| Item Weight | 9.37 Kilograms |
| Manufacturer | Reef Octopus |
| Target Species | Ornamental Fish, Invertebrates |

## Product Details

- **Brand:** OCTO
- **Item Form:** Device
- **Target Species:** Ornamental Fish, Invertebrates
- **Manufacturer:** Reef Octopus

## Images

![Reef Octopus OCTO CR220 (CalReact) Calcium Reactor w/Varios 6 Pump - Image 1](https://m.media-amazon.com/images/I/41kgkVFr21L.jpg)

## Frequently Bought Together

- Reef Octopus OCTO CR220 (CalReact) Calcium Reactor w/Varios 6 Pump
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**Shop now:** [https://www.desertcart.be/products/45747053-reef-octopus-octo-cr220-calreact-calcium-reactor-w-varios-6](https://www.desertcart.be/products/45747053-reef-octopus-octo-cr220-calreact-calcium-reactor-w-varios-6)

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-10-03*