--- product_id: 58931762 title: "Submersible Aquarium Heater 300w Fish Tank Water Thermostat, Adjustable Temperature for Up to 80 Gallon Fish Betta tanks" brand: "zoohi" price: "VT9404" currency: VUV in_stock: false category: "Misc." url: https://www.desertcart.vu/products/58931762-submersible-aquarium-heater-300w-fish-tank-water-thermostat-adjustable-temperature store_origin: VU region: Vanuatu --- # Submersible Aquarium Heater 300w Fish Tank Water Thermostat, Adjustable Temperature for Up to 80 Gallon Fish Betta tanks **Brand:** zoohi **Price:** VT9404 **Availability:** ❌ Out of Stock ## Quick Answers - **What is this?** Submersible Aquarium Heater 300w Fish Tank Water Thermostat, Adjustable Temperature for Up to 80 Gallon Fish Betta tanks by zoohi - **How much does it cost?** VT9404 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/58931762-submersible-aquarium-heater-300w-fish-tank-water-thermostat-adjustable-temperature) ## Best For - zoohi enthusiasts ## Why This Product - Trusted zoohi brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Size:300w Submersible aquarium heaters are one of the most popular way to keep your tank at a steady and controlled temperature, Fish water heater will be your best choice! Features: 1. IP68 100% Waterproof, Fully Submersible 2. Protection: The Case will protect your heater, ABS material 3. Accurate temperature control from 68°F to 94°F (20°C ~ 34°C) 4. Suitable for both fresh and saltwater aquariums. Specification: Submersible Aquarium Heaters Length - 14 inch, for 40~80 Gallons, 300 Watts. Important Caution: 1.Do not power on the heater before you put it in the water, as there is the chance to be get burns. 2.If you want to move the heater or change the aquarium water, you need to power off the heater first and wait 15 minutes until the temperature drops to normal temperature. 3.the water level should be higher than the hard rubber head of the heater. 4.The power cable cannot be repaired or replaced, the entire heater need to be replaced when it gets damaged. 5.This product is not available to children or those without independent working abilities. ## Features - Aquarium Heater Specification: 300 watts, 110 L/H flow water, Volt 110~120v, Freq: 50/60Hz for US/CA. - Fish Tank Heater Attention: Please take the heater into water before turning on , DO NOT power on until the heater is completely submerged in the water. - Tank Heater Capacity: 300 watts Used Tank up to 80 Gallons, the size need more than 17 inch. Temperature adjustable of between 68F - 94F. - Aquarium Technology: Mechanical heat technology built with a safety shut-off, Integrated fish guard to protect fish and invertebrates. - Note: Please Make sure heater is de-energized and cool before take out of water. It is recommended to cool in the water for 15 minutes . 12 months warranty period. ## Images ![Submersible Aquarium Heater 300w Fish Tank Water Thermostat, Adjustable Temperature for Up to 80 Gallon Fish Betta tanks - Image 1](https://images-na.ssl-images-amazon.com/images/I/41Na%2By3j7RL.jpg) ![Submersible Aquarium Heater 300w Fish Tank Water Thermostat, Adjustable Temperature for Up to 80 Gallon Fish Betta tanks - Image 2](https://images-na.ssl-images-amazon.com/images/I/51A2cU6L-oL.jpg) ![Submersible Aquarium Heater 300w Fish Tank Water Thermostat, Adjustable Temperature for Up to 80 Gallon Fish Betta tanks - Image 3](https://images-na.ssl-images-amazon.com/images/I/514Y8ZztZJL.jpg) ![Submersible Aquarium Heater 300w Fish Tank Water Thermostat, Adjustable Temperature for Up to 80 Gallon Fish Betta tanks - Image 4](https://images-na.ssl-images-amazon.com/images/I/51u4bGBfodL.jpg) ![Submersible Aquarium Heater 300w Fish Tank Water Thermostat, Adjustable Temperature for Up to 80 Gallon Fish Betta tanks - Image 5](https://images-na.ssl-images-amazon.com/images/I/41zRHN3WhbL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/58931762-submersible-aquarium-heater-300w-fish-tank-water-thermostat-adjustable-temperature](https://www.desertcart.vu/products/58931762-submersible-aquarium-heater-300w-fish-tank-water-thermostat-adjustable-temperature) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-07*