---
product_id: 10962706
title: "Reef Octopus 6.5” Calcium Reactor"
brand: "reef octopus"
price: "€ 84.93"
currency: EUR
in_stock: false
url: https://www.desertcart.ie/products/10962706-reef-octopus-6-5-calcium-reactor
store_origin: IE
region: Ireland
---

# OTP2000 pump 12" x 11" x 24" 1 year warranty Reef Octopus 6.5” Calcium Reactor

**Brand:** reef octopus
**Price:** € 84.93
**Availability:** ❌ Out of Stock

## Summary

> 🌊 Dive into Excellence with Reef Octopus!

## Quick Answers

- **What is this?** Reef Octopus 6.5” Calcium Reactor by reef octopus
- **How much does it cost?** € 84.93 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/10962706-reef-octopus-6-5-calcium-reactor)

## Best For

- reef octopus enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** High-quality machine welded cast acrylic construction.
- • **Peace of Mind:** Enjoy a full year warranty on both pump and reactor.
- • **Compact Design:** Space-efficient dimensions fit seamlessly into your setup.
- • **Powerful Performance:** Driven by the robust OTP2000 pump for optimal calcium delivery.
- • **Elevate Your Aquarium:** Transform your aquatic ecosystem with precision!

## Overview

The Reef Octopus 6.5” Calcium Reactor is a high-performance aquarium accessory designed to maintain optimal calcium levels for your marine life. With dimensions of 12″ x 11″ x 24”, it features a powerful OTP2000 pump and is constructed from durable machine welded cast acrylic. Both the pump and reactor come with a 1-year warranty, ensuring reliability and peace of mind for your aquatic environment.

## Description

Quality, design and affordability define the Octopus Calcium Reactor series. Available in 3 different models that feature reverse flow water current for maximum water and Co2 contact time with the coral media. All models come with PH probe holders to monitor PH levels in the main reactor chamber and built in bubble counters to monitor Co2 drip rates.

## Features

- Dimensions: 12″ x 11″ x 24”
- Powered by the OTP2000 pump
- High quality machine welded cast acrylic construction
- 1 year warranty on pump. 1 year warranty on reactor.

## Images

![Reef Octopus 6.5” Calcium Reactor - Image 1](https://m.media-amazon.com/images/I/61HiMU-HVVL.jpg)

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**Shop now:** [https://www.desertcart.ie/products/10962706-reef-octopus-6-5-calcium-reactor](https://www.desertcart.ie/products/10962706-reef-octopus-6-5-calcium-reactor)

---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-01*