---
product_id: 592722628
title: "Small Aquarium Heater, 25W Mini Turtle and Betta Fish Tank Heater 1-6 Gallon Tank, Adjustable Submersible Aquarium Heater with External Controller for Freshwater and Saltwater"
brand: "seaoura"
price: "$54"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/592722628-small-aquarium-heater-25w-mini-turtle-and-betta-fish-tank
store_origin: NZ
region: New Zealand
---

# LED external digital controller Fits 1-6 gallon tanks 25W precise heating power Small Aquarium Heater, 25W Mini Turtle and Betta Fish Tank Heater 1-6 Gallon Tank, Adjustable Submersible Aquarium Heater with External Controller for Freshwater and Saltwater

**Brand:** seaoura
**Price:** $54
**Availability:** ✅ In Stock

## Summary

> 🔥 Keep your aquatic friends cozy with precision and safety — because they deserve the best!

## Quick Answers

- **What is this?** Small Aquarium Heater, 25W Mini Turtle and Betta Fish Tank Heater 1-6 Gallon Tank, Adjustable Submersible Aquarium Heater with External Controller for Freshwater and Saltwater by seaoura
- **How much does it cost?** $54 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/592722628-small-aquarium-heater-25w-mini-turtle-and-betta-fish-tank)

## Best For

- seaoura enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Safe Design:** Explosion-proof quartz tube with plastic guard ensures safety for your bettas and turtles.
- • **Universal Compatibility:** Ideal for both freshwater and saltwater tanks from 1 to 6 gallons.
- • **Smart Overheat Protection:** Auto shut-off at 99℉ prevents dry burning and overheating for worry-free use.
- • **Precision Temperature Control:** Accurate ±1°F sensor with easy °C/°F toggle for perfect aquatic comfort.
- • **Effortless Installation & Monitoring:** Mini size with suction cups plus LED display keeps you in control at a glance.

## Overview

The SEAOURA Small Aquarium Heater is a 25W submersible device designed for 1-6 gallon freshwater and saltwater tanks. Featuring an explosion-proof quartz heating tube, an external LED controller with ±1°F accuracy, and smart overheat protection, it ensures safe, reliable, and precise temperature management for turtles, bettas, and tropical fish.

## Description

Full description not available

## Features

- Small Aquarium Heater for 1-6 Gallon Tank: SEAOURA aquarium heater is made of explosion-proof quartz heating tube, which is safer and more reliable than traditional coil heaters. Plastic protective cover prevents harm to aquatic life. Rated at 110-120 V. Power cord length: 4.2 FT, heater length: 4.7 Inch
- LED External Controller: Multi-function LED digital display clearly shows heating temperature. The temperature sensor measures accurately to ±1°F and converts temperature units to °C/°F by pressing the ‘+’ and ‘-’ keys simultaneously for 3 seconds. Excellent heat retention and easy to set up
- Safety Protection: The fish tank heater has an overheat protection function that automatically stops heating when overheating or the water level is too low. If the temperature exceeds 99℉, the display will show ‘HH’ and the heater will shut off automatically. Safety controls prevent dry burning
- Mini aquarium heater: Red light indicates heating status, green light indicates stop heating. Thanks to its compact design and sturdy suction cups, the heater can be easily installed anywhere in the aquarium. It is suitable for both freshwater and saltwater environments
- Professional Technical Support: Please feel free to contact us if you have any questions. The heating rod must be fully immersed in the water. 25W aquarium heater is suitable for 5 gallon fish tank. Ideal for turtles, bettas and tropical fish

## Images

![Small Aquarium Heater, 25W Mini Turtle and Betta Fish Tank Heater 1-6 Gallon Tank, Adjustable Submersible Aquarium Heater with External Controller for Freshwater and Saltwater - Image 1](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)

## Available Options

This product comes in different **Size** options.

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**Shop now:** [https://www.desertcart.nz/products/592722628-small-aquarium-heater-25w-mini-turtle-and-betta-fish-tank](https://www.desertcart.nz/products/592722628-small-aquarium-heater-25w-mini-turtle-and-betta-fish-tank)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-22*