---
product_id: 45060672
title: "Reef Octopus OCTO KS-100 Nilsen Kalk Reactor"
brand: "octo"
price: "R12344"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/45060672-reef-octopus-octo-ks-100-nilsen-kalk-reactor
store_origin: ZA
region: South Africa
---

# For 120-gallon tanks Compact footprint High torque motor Reef Octopus OCTO KS-100 Nilsen Kalk Reactor

**Brand:** octo
**Price:** R12344
**Availability:** ✅ In Stock

## Summary

> 🌟 Elevate Your Reef Game with Silent Precision!

## Quick Answers

- **What is this?** Reef Octopus OCTO KS-100 Nilsen Kalk Reactor by octo
- **How much does it cost?** R12344 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/45060672-reef-octopus-octo-ks-100-nilsen-kalk-reactor)

## 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

- • **Space-Saving Design:** Compact 5.5" x 5.5" footprint fits seamlessly into any aquarium setup.
- • **User-Friendly Setup:** Quick connect input/output for hassle-free installation.
- • **Versatile Compatibility:** Designed for aquariums up to 120 gallons, perfect for both novice and expert aquarists.
- • **Whisper-Quiet Operation:** Experience serene reef-keeping with a low RPM motor that mixes without the noise.
- • **Optimal Kalkwasser Dosing:** Safely delivers the freshest kalkwasser for thriving coral ecosystems.

## Overview

The Reef Octopus OCTO KS-100 Nilsen Kalk Reactor is a high-performance kalkwasser dosing solution designed for aquariums up to 120 gallons. Featuring a low RPM motor for quiet operation, it ensures optimal mixing of calcium hydroxide while maintaining a compact footprint. Ideal for aquarists seeking a reliable and efficient way to enhance their reef systems.

## Description

Reef Octopus OCTO KS-100 Nilsen Kalk Reactor

## Features

- The Reef Octopus OCTO KS-100 Nilsen Kalk Reactor features a high torque low RPM motor that effectively, silently and gently mixes your calcium hydroxide (kalkwasser). This method is not only ideal but is also the safest way of dosing the freshest possible kalkwasser to your reef system.
- Includes: Kalk stirrer body with stirrer pump. Includes: Quick connect input and output: 1/4″.
- For aquariums up to 120 gallons. Footprint: 5.5″ x 5.5″ | Body Diameter: 4″ | Height: 27.6″.
- Requires kalkwasser (not included). Requires a water feed pump that will deliver water through the reactor (not included). Requires a timer (not included). Requires RO Tubing (not included)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Form | Liquid, Powder |

## Product Details

- **Brand:** OCTO
- **Item Form:** Liquid, Powder
- **Target Species:** Invertebrates
- **Manufacturer:** Reef Octopus

## Images

![Reef Octopus OCTO KS-100 Nilsen Kalk Reactor - Image 1](https://m.media-amazon.com/images/I/41BDltk1ssL.jpg)

## Frequently Bought Together

- Reef Octopus OCTO KS-100 Nilsen Kalk Reactor
- Brightwell Aquatics Kalk+2 - Advanced Calcium, Magnesium & Strontium Powdered Kalkwasser Supplement for Marine Fish and Aquariums

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**Shop now:** [https://www.desertcart.co.za/products/45060672-reef-octopus-octo-ks-100-nilsen-kalk-reactor](https://www.desertcart.co.za/products/45060672-reef-octopus-octo-ks-100-nilsen-kalk-reactor)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-10*