---
product_id: 45747053
title: "Reef Octopus OCTO CR220 (CalReact) Calcium Reactor w/Varios 6 Pump"
brand: "octo"
price: "£1076.29"
currency: GBP
in_stock: true
category: "Octo"
url: https://www.desertcart.co.uk/products/45747053-reef-octopus-octo-cr220-calreact-calcium-reactor-w-varios-6
store_origin: GB
region: United Kingdom
---

# 500 gal capacity pH monitoring Varios 6 pump Reef Octopus OCTO CR220 (CalReact) Calcium Reactor w/Varios 6 Pump

**Brand:** octo
**Price:** £1076.29
**Availability:** ✅ In Stock

## Summary

> 🌟 Dive into Excellence with Reef Octopus!

## Quick Answers

- **What is this?** Reef Octopus OCTO CR220 (CalReact) Calcium Reactor w/Varios 6 Pump by octo
- **How much does it cost?** £1076.29 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/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

- • **Stay in the Zone:** Includes a pH probe holder for real-time monitoring of your reactor's pH levels.
- • **Trace Element Triumph:** Maintains essential alkalinity, calcium, and trace elements for thriving reef systems.
- • **Elevate Your Reef Game:** Designed for aquariums up to 500 gallons, ensuring optimal health for your aquatic ecosystem.
- • **Bubble Count Brilliance:** Built-in bubble counters to effortlessly track CO2 drip rates.
- • **Precision Pumping Power:** Equipped with the Varios 6 multiple speed pump for customizable flow rates.

## Overview

The Reef Octopus OCTO CR220 (CalReact) Calcium Reactor is engineered for serious reef enthusiasts, supporting aquariums up to 500 gallons. It features a Varios 6 pump for adjustable flow, a pH probe holder for precise monitoring, and built-in bubble counters for CO2 management, ensuring your reef thrives with optimal alkalinity and calcium levels.

## 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)
![Reef Octopus OCTO CR220 (CalReact) Calcium Reactor w/Varios 6 Pump - Image 2](https://m.media-amazon.com/images/I/51+kfVm8TwL.jpg)
![Reef Octopus OCTO CR220 (CalReact) Calcium Reactor w/Varios 6 Pump - Image 3](https://m.media-amazon.com/images/I/419Wm7jd1VL.jpg)
![Reef Octopus OCTO CR220 (CalReact) Calcium Reactor w/Varios 6 Pump - Image 4](https://m.media-amazon.com/images/I/41xlbyaRVXL.jpg)
![Reef Octopus OCTO CR220 (CalReact) Calcium Reactor w/Varios 6 Pump - Image 5](https://m.media-amazon.com/images/I/51AoYElIiRL.jpg)

## Frequently Bought Together

- Reef Octopus OCTO CR220 (CalReact) Calcium Reactor w/Varios 6 Pump
- Hanna Instruments HI782-25 Marine Nitrate High Range Checker Reagents (25 Tests)
- Brightwell Aquatics - Restor Liquid Coral Tissue Supplement - Fish Tank Reef Nutrition for Live Coral Growth Acceleration, Colour Vibrancy, & Restoration Additive - Saltwater Reef Supplies, 8.45 fl oz

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**Shop now:** [https://www.desertcart.co.uk/products/45747053-reef-octopus-octo-cr220-calreact-calcium-reactor-w-varios-6](https://www.desertcart.co.uk/products/45747053-reef-octopus-octo-cr220-calreact-calcium-reactor-w-varios-6)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-10*