---
product_id: 162607429
title: "OASE Indoor Aquatics HeatUp 300 Watt Aquarium Heater, Clear"
brand: "oase"
price: "€ 60.21"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/162607429-oase-indoor-aquatics-heatup-300-watt-aquarium-heater-clear
store_origin: IE
region: Ireland
---

# fully submersible glass design 300W powerful heating precise adjustable temperature OASE Indoor Aquatics HeatUp 300 Watt Aquarium Heater, Clear

**Brand:** oase
**Price:** € 60.21
**Availability:** ✅ In Stock

## Summary

> 🔥 Elevate your aquarium’s vibe with precision warmth!

## Quick Answers

- **What is this?** OASE Indoor Aquatics HeatUp 300 Watt Aquarium Heater, Clear by oase
- **How much does it cost?** € 60.21 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/162607429-oase-indoor-aquatics-heatup-300-watt-aquarium-heater-clear)

## Best For

- oase enthusiasts

## Why This Product

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

## Key Features

- • **Sleek & Secure:** Durable glass construction with suction cups and bracket for stable placement.
- • **Power Meets Precision:** 300 Watts of reliable heat, perfect for tanks up to 80 gallons.
- • **Consistent Comfort, Always:** Patented bi-metal tech ensures uniform temperature for your aquatic friends.
- • **Tailored Temperature Control:** Easily adjustable settings with a clear heating indicator light.
- • **Versatile Aquatic Compatibility:** Ideal for both fresh and saltwater environments.

## Overview

The OASE HeatUp 300 Watt Aquarium Heater delivers consistent, adjustable heating with patented bi-metal technology in a sleek, fully submersible glass design. Suitable for tanks up to 80 gallons, it features secure mounting options and works flawlessly in both fresh and saltwater setups.

## Description

OASE HeatUp 300 Watt Aquarium Heater

## Features

- The Oase HeatUp 300 Watt Aquarium Heater features uniform temperature level thanks to the patented bi-metal technology
- 300 Watts. Recommended for tanks up to 80 gallons.
- Glass construction. Fully submersible. Suction cups and bracket for securing to the aquarium.
- Adjustable temperature control. The heating function is displayed via the activated control light. For use in fresh and saltwater aquariums.14.6" long.

## Images

![OASE Indoor Aquatics HeatUp 300 Watt Aquarium Heater, Clear - Image 1](https://m.media-amazon.com/images/I/613mAyzdhAL.jpg)

## Available Options

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

## Frequently Bought Together

- OASE Indoor Aquatics HeatUp 300 Watt Aquarium Heater, Clear
- OASE BioMaster External Filter for Aquariums Up to 160 Gallons, Multi-Stage Filtration, Easy Maintenance Prefilter, Quiet Canister Filter, German Engineering
- Seachem Matrix, 4 L / 1 gal.

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**Shop now:** [https://www.desertcart.ie/products/162607429-oase-indoor-aquatics-heatup-300-watt-aquarium-heater-clear](https://www.desertcart.ie/products/162607429-oase-indoor-aquatics-heatup-300-watt-aquarium-heater-clear)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-13*