---
product_id: 479095175
title: "hygger Aquarium Heater 300W/500W/800W/1000W, Submersible Fish Tank Heater with Digital LED Controller and Intelligent Leaving Water Automatically Stop Heating System, for Freshwater and Saltwater"
brand: "hygger"
price: "3016503₫"
currency: VND
in_stock: true
reviews_count: 13
category: "Hygger"
url: https://www.desertcart.vn/products/479095175-hygger-aquarium-heater-300w-500w-800w-1000w-submersible-fish-tank
store_origin: VN
region: Vietnam
---

# Digital LED precision control ±1°F 300W-1000W power range Auto shut-off & overheating protection hygger Aquarium Heater 300W/500W/800W/1000W, Submersible Fish Tank Heater with Digital LED Controller and Intelligent Leaving Water Automatically Stop Heating System, for Freshwater and Saltwater

**Brand:** hygger
**Price:** 3016503₫
**Availability:** ✅ In Stock

## Summary

> 🐠 Keep your tank thriving with precision heat—because your fish deserve the best!

## Quick Answers

- **What is this?** hygger Aquarium Heater 300W/500W/800W/1000W, Submersible Fish Tank Heater with Digital LED Controller and Intelligent Leaving Water Automatically Stop Heating System, for Freshwater and Saltwater by hygger
- **How much does it cost?** 3016503₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/479095175-hygger-aquarium-heater-300w-500w-800w-1000w-submersible-fish-tank)

## Best For

- hygger enthusiasts

## Why This Product

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

## Key Features

- • **Safety-First Smart Shutdown:** Automatic power cut-off when water is too hot or heater is exposed—protect your fish and avoid costly mishaps effortlessly.
- • **Powerful & Versatile Heating:** Choose from 300W to 1000W models tailored for tanks from 40 to 200 gallons, ensuring rapid, reliable warmth for both freshwater and saltwater habitats.
- • **Precision Temperature Mastery:** Set and monitor your tank’s climate with ±1°F accuracy via the sleek digital LED controller—no guesswork, just perfect aquatic comfort.
- • **Durable Explosion-Proof Design:** Crafted with quartz glass and nickel-chromium wire, plus a protective PC plastic guard—built to last and keep your aquatic friends safe.
- • **Plug-and-Play with Full Accessories:** Comes complete with controller, suction cups, bracket, and hook—plus a 12-month warranty for peace of mind and hassle-free setup.

## Overview

The hygger Aquarium Heater offers a robust 300W to 1000W power range suitable for 40-200 gallon tanks, featuring a digital LED controller with ±1°F accuracy. Its intelligent auto shut-off system prevents overheating and dry heating, ensuring fish safety. Made from explosion-proof quartz glass and nickel-chromium wire, it delivers fast, reliable heating for both freshwater and saltwater aquariums. Complete with mounting accessories and backed by a 12-month warranty, it’s a trusted choice for stable, stress-free aquatic environments.

## Description

desertcart.com: hygger Aquarium Heater 300W/500W/800W/1000W, Submersible Fish Tank Heater with Digital LED Controller and Intelligent Leaving Water Automatically Stop Heating System, for Freshwater and Saltwater : Pet Supplies

Review: Rock-Solid Heater I Trust in Multiple Tanks - These heaters work faithfully day in and day out. I’ve been running one in another tank for about two years now without a single issue, which is exactly why I bought this one for a new setup in a different room. Temperature has stayed stable and accurate, and the heater does its job quietly in the background, no swings, no surprises. My fish stay comfortable, active, and stress-free, which is really the whole point. Build quality feels solid, setup is straightforward, and once it’s dialed in, it just works. I don’t worry about it, and that’s the highest compliment I can give aquarium equipment. Reliable, consistent, and dependable enough that I came back for another one.
Review: EASILY HANDLES MY 200 GALLON AQUARIUM- PERFECT TEMP- EASY - My 200 gallon aquarium loves this and so do I . 1. does an excellent job keeping the aquarium at exactly the temp i want. 2. display looks professional and sharp. 3. controls are EASY TO USE. ONE BUTTON TO SCROLL THROUGH THE TEMPS. 4. LONG cord to position where you want. 5. SUPPORT- I had some questions - I emailed the support that actually work for HYGGER and the responded the same day with REAL INFORMATION. Easily worth more than what I paid.

## Features

- 🐠300 WATTS AQUARIUM HEATER - 300W aquarium heater is suitable for 40 to 80 gallon saltwater and freshwater aquariums. The heater length is 10.8 inches, voltage 110-120V, power cord is 10.1 feet. Please select the appropriate wattage aquarium heater according to our size chart
- 🐠OVERHEATING & OUT OF WATER PROTECTION - When the water temperature exceeds 94°F or it is lower than the minimum water level, the heater will automatically cut off the power and stop heating, it will display an error code and sound an alarm until the water temperature is below 94°F or the heater is completely immersed in the water. Error code: HH-high temp; LL-low temp; AUTO shut off-out off water. Multiple protection, let you get rid of "boiled fish"!
- 🐠DIGITAL LED CONTROLLER - Temperature adjustable range: 59℉-93℉, Accuracy：±1°F. You can use the included bracket to mount the controller on the edge of the tank to adjust the temperature without reaching into the water. LED controller shows the current water temperature, preset temperature, working power and more warning sign of Low/ Hi temperature/ Auto shut off. Very easy to operate!
- 🐠EFFICIENT AND EXPLOSION PROOF - The aquarium heater is made of explosion-proof quartz glass and high-temperature resistant nickel-chromium heating wire. This results in faster water heating, safer, and more longer-lasting. The heater guard is made of high quality PC plastic to protect your fish from burns
- 🐠COMPLETE ACCESSORIES AND WARRANTY - This aquarium heater comes with accessories you need. Package includes 1 aquarium heater, 1 controller, 3 suction cups, 1 bracket and 1 hook. It offers 12 months warranty.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BF49CGLY |
| Best Sellers Rank | #5,932 in Pet Supplies ( See Top 100 in Pet Supplies ) #10 in Aquarium Heaters |
| Brand | hygger |
| Brand Name | hygger |
| Color | black |
| Customer Reviews | 4.1 4.1 out of 5 stars (1,913) |
| Date First Available | September 13, 2022 |
| Included Components | controller, heater |
| Item Dimensions LxWxH | 3 x 1.2 x 10.8 inches |
| Item Package Dimensions L x W x H | 14.06 x 4.61 x 4.41 inches |
| Item Weight | 2.2 Pounds |
| Manufacturer | hygger |
| Material | Quartz, Nickel complex, Plastic |
| Model Name | HG-043 |
| Model Year | 2022 |
| Operation Mode | Semi-Automatic |
| Package Weight | 1.03 Kilograms |
| Part Number | HG-043 |
| Power Source | Corded Electric |
| Product Dimensions | 3"L x 1.2"W x 10.8"H |
| Size | 300W for 40-80 Gallon |
| Suggested Users | unisex-adult |
| Warranty Description | 1 year warranty |

## Product Details

- **Brand:** hygger
- **Color:** black
- **Item Weight:** 2.2 Pounds
- **Material:** Quartz, Nickel complex, Plastic
- **Product Dimensions:** 3"L x 1.2"W x 10.8"H

## Images

![hygger Aquarium Heater 300W/500W/800W/1000W, Submersible Fish Tank Heater with Digital LED Controller and Intelligent Leaving Water Automatically Stop Heating System, for Freshwater and Saltwater - Image 1](https://m.media-amazon.com/images/I/61TYLsn4TgL.jpg)

## Available Options

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

## Questions & Answers

**Q: how to calibrate the heater temperature ?**
A: It should come pre-calibrated out of the box. Just plug n play setup.

**Q: Will it work in a sump setup?**
A: Yes, it would make a great sump heater.

**Q: I have had my 1000w heater in my tank for almost 3 months. Today the controller went dark with a faint flashing light. Does not work what can I do?**
A: Hello, hygger offer one year warranty against any defects, if any problem, please feel free to contact me.

**Q: Would 800 watt be too big for 75 galloon tank with 29 gallon sump ? I undertsand it's a lot more than needed but I intend to upgrade to a 180 soon.**
A: I have my 800w in a 75g without any problem. Well, the only thing is, that you must turn it off when doing water change, because at have tank start overheating.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Rock-Solid Heater I Trust in Multiple Tanks
*by K***T on January 24, 2026*

These heaters work faithfully day in and day out. I’ve been running one in another tank for about two years now without a single issue, which is exactly why I bought this one for a new setup in a different room. Temperature has stayed stable and accurate, and the heater does its job quietly in the background, no swings, no surprises. My fish stay comfortable, active, and stress-free, which is really the whole point. Build quality feels solid, setup is straightforward, and once it’s dialed in, it just works. I don’t worry about it, and that’s the highest compliment I can give aquarium equipment. Reliable, consistent, and dependable enough that I came back for another one.

### ⭐⭐⭐⭐⭐ EASILY HANDLES MY 200 GALLON AQUARIUM- PERFECT TEMP- EASY
*by L***S on February 3, 2026*

My 200 gallon aquarium loves this and so do I . 1. does an excellent job keeping the aquarium at exactly the temp i want. 2. display looks professional and sharp. 3. controls are EASY TO USE. ONE BUTTON TO SCROLL THROUGH THE TEMPS. 4. LONG cord to position where you want. 5. SUPPORT- I had some questions - I emailed the support that actually work for HYGGER and the responded the same day with REAL INFORMATION. Easily worth more than what I paid.

### ⭐ • Dangerous Heater Failure — Electrified Tank and Killed My Fish
*by M***. on February 23, 2026*

Extremely Dangerous Heater Failure – Killed My Fish and Put My Safety at Risk This heater catastrophically failed while fully submerged in my large trough system (as intended for normal operation). It overheated, melted internally, and began sending straight voltage through the water. This resulted in the loss of my fish and created a serious electrocution hazard that could have injured or killed me. This was NOT a case of misuse — the heater was properly installed, fully submerged, and operating in a controlled system. There was no exposure to air. The unit clearly malfunctioned. What makes this worse is the complete lack of customer support. I attempted to contact customer service multiple times and received no response. When a product fails in a way that endangers lives, the company should take immediate responsibility — silence is unacceptable. Aquarium heaters should fail safely. This one did not.

## Frequently Bought Together

- hygger Aquarium Heater 300W/500W/800W/1000W, Submersible Fish Tank Heater with Digital LED Controller and Intelligent Leaving Water Automatically Stop Heating System, for Freshwater and Saltwater
- PAIZOO Fish Tank Digital Thermometer Accurate LED Display to ±0.9°F Tank Thermometer Aquarium Temperature Measurement Suitable for Fish, Axolotl, Turtle or Aquatic

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-05-23*