---
product_id: 59762924
title: "M50"
brand: "fluval"
price: "€ 40.36"
currency: EUR
in_stock: null
reviews_count: 13
category: "Fluval"
url: https://www.desertcart.ie/products/59762924-m50
store_origin: IE
region: Ireland
---

# Shock-resistant borosilicate glass Reflective mirror tech 50W precise heating M50

**Brand:** fluval
**Price:** € 40.36
**Availability:** ❌ Out of Stock

## Summary

> 🌊 Heat your tank, not your style — invisible warmth for vibrant aquatic life!

## Quick Answers

- **What is this?** M50 by fluval
- **How much does it cost?** € 40.36 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/59762924-m50)

## Best For

- fluval enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Durable borosilicate glass and ceramic heat sink deliver safe, even heat distribution.
- • **Invisible Elegance:** Reflective mirror technology blends seamlessly into your tank for a sleek, unobtrusive look.
- • **Slim & Discreet Design:** Compact profile fits effortlessly in small tanks without blocking your view.
- • **Perfect for Small Aquariums:** Optimized 50W power for freshwater and saltwater tanks up to 15 gallons.
- • **Precision Temperature Control:** Computer-calibrated thermostat ensures stable, consistent warmth for thriving aquatic life.

## Overview

The Fluval M50 is a 50-watt submersible aquarium heater featuring a computer-calibrated thermostat for precise temperature control. Its reflective mirror technology makes it virtually invisible inside your tank, while durable borosilicate glass and a ceramic heat sink ensure safe, even heating. Designed with a slim profile, it’s ideal for freshwater and saltwater aquariums up to 15 gallons, providing reliable warmth to keep your aquatic ecosystem thriving.

## Description

Free delivery and returns on eligible orders. Buy Fluval M50 Submersible Glass Aquarium Heater (50 watts) at desertcart UK.

Review: Not a bad investment. - Love it. Works a great for my 57L fluval flex tank. Looks as if it warms the water without pushing itself to the limit. The control is not very accurate though so watch out for that.
Review: Fluval M50 Submersible Glass Aquarium Heater (50 watts) - a good product does its job perfectly

## Features

- Precision Temperature Control: The Fluval M 50-Watt Submersible Heater features a computer-calibrated thermostat for consistent, accurate heating. The easy-to-adjust temperature control dial ensures a stable aquatic environment for your fish and plants
- Reflective Mirror Technology: Designed to seamlessly blend into your aquarium, this heater uses built-in reflective technology that mirrors surrounding colors, making it virtually invisible while maintaining tank aesthetics
- Durable & Safe Materials: Constructed with shock-resistant Borosilicate glass and a high-density ceramic heat sink, this heater is built to withstand aquatic conditions while ensuring even heat distribution for a safe and efficient heating solution
- Slim & Easy to Install: The Fluval M Series heater features a slim profile tube, making it simple to install and position discreetly in your aquarium. Its compact design ensures minimal space usage, allowing for an unobstructed tank view
- Ideal for Small Aquariums: With a 50-watt power rating, this submersible heater is perfect for freshwater and saltwater aquariums up to 15 gallons. Keep your aquatic environment warm and stable for healthy, thriving fish and plants

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0027VMPXA |
| Batteries Included | No |
| Batteries required | No |
| Breed Recommendation | Large Breeds |
| Colour | Silver |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,927) |
| Date First Available | 7 Aug. 2012 |
| Item Weight | 279 g |
| Item model number | M50 |
| Number of Items | 1 |
| Pet Life Stage | All ages |
| Product Dimensions | 4.57 x 12.19 x 37.59 cm; 279.41 g |
| Quantity | 1 |
| Size | 1 Stück (1er Pack) |
| Special features | Reflective Technology |
| Specific Uses | Aquarium Heating |
| Wattage | 50 watts |

## Product Details

- **Brand:** Fluval
- **Colour:** Silver
- **Item weight:** 0.62 Pounds
- **Material:** Glass
- **Product dimensions:** 12.2L x 4.6W x 37.6H centimetres
- **Shape:** Rectangular
- **Special feature:** Reflective Technology
- **Specific uses for product:** Aquarium Heating
- **Style:** Modern
- **Tank volume:** 50 Litres

## Images

![M50 - Image 1](https://m.media-amazon.com/images/I/41NCZS2x0qL.jpg)
![M50 - Image 2](https://m.media-amazon.com/images/I/51WWXuBdCxL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Not a bad investment.
*by A***A on 25 April 2021*

Love it. Works a great for my 57L fluval flex tank. Looks as if it warms the water without pushing itself to the limit. The control is not very accurate though so watch out for that.

### ⭐⭐⭐⭐⭐ Fluval M50 Submersible Glass Aquarium Heater (50 watts)
*by I***S on 9 November 2020*

a good product does its job perfectly

### ⭐⭐⭐⭐⭐ Works
*by M***E on 12 December 2020*

Serves its purpose and easy to install

## Frequently Bought Together

- Fluval M 50-Watt Submersible Heater
- PAIZOO Fish Tank Digital Thermometer Accurate LED Display to ±0.9°F Tank Thermometer Aquarium Temperature Measurement Suitable for Fish, Axolotl, Turtle or Aquatic
- Hagen Flex Freshwater Kit - Black - 15 gal

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**Shop now:** [https://www.desertcart.ie/products/59762924-m50](https://www.desertcart.ie/products/59762924-m50)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-01*