---
product_id: 636027509
title: "Bonlux 100W Aquarium Heater, Submersible Fish Tank Heater with Over-Temperature Protection and External Temperature Controller, 50-70Liter Turtle Tank Heater for Saltwater and Freshwater"
brand: "bonlux"
price: "6105 kr"
currency: ISK
in_stock: true
url: https://www.desertcart.is/products/636027509-bonlux-100w-aquarium-heater-submersible-fish-tank-heater-with-over
store_origin: IS
region: Iceland
---

# 100W rapid heating power 0.2°C precision thermostat Over-temperature & dry burn protection Bonlux 100W Aquarium Heater, Submersible Fish Tank Heater with Over-Temperature Protection and External Temperature Controller, 50-70Liter Turtle Tank Heater for Saltwater and Freshwater

**Brand:** bonlux
**Price:** 6105 kr
**Availability:** ✅ In Stock

## Summary

> 🔥 Keep your tank perfectly cozy — because your aquatic friends deserve the best!

## Quick Answers

- **What is this?** Bonlux 100W Aquarium Heater, Submersible Fish Tank Heater with Over-Temperature Protection and External Temperature Controller, 50-70Liter Turtle Tank Heater for Saltwater and Freshwater by bonlux
- **How much does it cost?** 6105 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/636027509-bonlux-100w-aquarium-heater-submersible-fish-tank-heater-with-over)

## Best For

- bonlux enthusiasts

## Why This Product

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

## Key Features

- • **Safety-First Design:** Automatic shutoff prevents overheating and dry burns, safeguarding your aquatic pets and your peace of mind.
- • **Rapid & Reliable Heating:** Nickel-chromium heating wire and explosion-proof quartz glass deliver fast, consistent warmth for tanks 50-70L.
- • **Precision Climate Control:** Maintain your aquatic ecosystem with ultra-accurate 0.2°C temperature regulation for optimal fish comfort.
- • **Versatile Aquatic Compatibility:** Perfect for freshwater and saltwater tanks, supporting a wide range of fish, turtles, and even hydroponic plants.
- • **User-Friendly External Controller:** Adjust temperature easily without wet hands, with seamless switching between Celsius and Fahrenheit.

## Overview

The Bonlux 100W Aquarium Heater is a submersible, precision-controlled heating solution designed for 50-70L tanks. Featuring a 0.2°C thermostat, rapid heating with nickel-chromium wire, and advanced safety protections like automatic shutoff on dry burn or overheating, it ensures a stable, safe environment for freshwater and saltwater aquatic life. Its external temperature controller offers easy, wet-free adjustments, making it a versatile and reliable choice for professional aquarium enthusiasts.

## Description

Bonlux 100W Aquarium Heater, Submersible Fish Tank Heater with Over-Temperature Protection and External Temperature Controller, 50-70Liter Turtle Tank Heater for Saltwater and Freshwater

## Features

- 【Intelligent Water Sensor&Over Temperature Protection】Bonlux 100w fish tank heater adds a self-protection function than ordinary heaters, this 100w aquarium heater will automatically turn off when it is not fully immersed in water or when there is a dry burn; when the water temperature exceeds 34℃(93℉), the heater for aquarium fish tank will automatically turn off the power to ensure the maximum safety of you and your aquatic organisms just like protecting our own safety
- 【Elevate the Fish's Comfort】Bonlux 100W turtle tank heater, equipped with a 0.2°C precision thermostat, delivers reliable and consistent heating performance. It automatically stops heating when the temperature reaches the desired setting, ensuring aquatic well-being while conserving energy, and restarts heating when the temperature drops 0.2°C below the setting. Provide an optimal living environment for your beloved betta fish at all times
- 【Rapid Heating with High-Temperature Resistant Cover】Bonlux 100W aquarium heater, designed for 50-75L fish tanks, utilizes ultra-stable nickel-chromium heating wire and explosion-proof quartz glass to swiftly and consistently conduct heat. Crafted from high-temperature resistant PC material, it ensures safety by preventing fish from being burned during heating, offering superior protection compared to shell-less heaters
- 【Convenient Temperature Controller】Bonlux 100W small fish tank heater allows for easy temperature adjustments with its external button. With a range of 18-34℃/64-93℉, you can set the desired comfortable temperature for your fish without getting your hands wet. It supports both Fahrenheit and Celsius readings, and you can switch between them by holding the set button for 3-5 seconds. Never attempt to touch the water with bare hands while it's in using
- 【Versatile Use】Bonlux 100W aquarium heater is suitable for both freshwater and marine water, making it ideal for a variety of aquatic creatures. It is not only perfect for tropical fish, neon tetra, guppies, angelfish, goldfish, betta fish, and sea turtles but also useful for heating pet drinking water, supporting plant hydroponics, and other heating needs. Contact us if there are any issues, and we'll assist you within 24 hours

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 13.5 x 5.2 x 22.3 cm; 780 g |
| Item model number | LST3917 |
| Color | Black |
| Size | 5.9 inch |
| Quantity | 1 |
| Special Features | Adjustable Temperature, Easy to Use, External Controller |
| Specific Uses | ‎Bonlux 100w fish tank heater with thermometer is designed to handle the heating requirements for smaller aquariums for tanks ranging from 50 to 70L, depending on factors like room temperature and insulation. |
| batteries required | No |
| Item Weight | 780 g |

## Images

![Bonlux 100W Aquarium Heater, Submersible Fish Tank Heater with Over-Temperature Protection and External Temperature Controller, 50-70Liter Turtle Tank Heater for Saltwater and Freshwater - Image 1](https://m.media-amazon.com/images/I/71LGLQbPEmL.jpg)

## Frequently Bought Together

- Bonlux 100W Aquarium Heater, Small Fish Tank Heater for Tropical, Submersible Turtle Tank Heater with Over-Temperature Protection for 50-70Litre Betta Fish Tank, Saltwater and Freshwater
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- EASYTEST 6 in 1 Aquarium Test Strips, 150 Strip Pack Aquarium Water Test Kit for Freshwater, Fish Tank, Fish Pond, Accurate Testing Total Hardness, Carbonate Nitrate, Nitrite, Cl2, pH

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**Shop now:** [https://www.desertcart.is/products/636027509-bonlux-100w-aquarium-heater-submersible-fish-tank-heater-with-over](https://www.desertcart.is/products/636027509-bonlux-100w-aquarium-heater-submersible-fish-tank-heater-with-over)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-02-24*