Aquarium heater, automatic temperature adjustment, constant temperature, heating rod

Automatic Aquarium Heater helps maintain a stable water temperature, ideal for ornamental fish that require consistently warm water. Easy to use, adjustable temperature range from 20-34 ℃. Reduces problems with excessively cold water, especially during rainy seasons or in air-conditioned rooms.

Key Features

• ✅ Automatic heating system helps maintain a more stable temperature.
• ✅ Adjustable temperature from 20-34 ℃, suitable for different fish species.
• ✅ Available in various wattages, allowing selection based on tank size and water volume.
• ✅ Rod-shaped design, easy to install and convenient to place in the aquarium.
• ✅ Sufficiently long power cord helps with flexible plug placement.
• 🔥 Suitable for continuous use in home aquariums, condos, or fish stores.

What problems does it solve? Cold water can make fish sluggish, reduce their appetite, and slow down their adaptation. This device helps maintain consistent warm water, ideal for fish keepers who want easier maintenance and reduced daily temperature fluctuations.

Suitable Applications

• 💡 For ornamental fish tanks at home, helping to maintain an optimal water temperature throughout the day.
• 💡 For use during cold weather or rainy seasons when tank water cools down faster than usual.
• 💡 For tanks in air-conditioned rooms where water temperature tends to drop easily.
• 💡 Suitable for keeping goldfish, guppies, or common ornamental fish that require consistent warm water.

Practical Benefits The heater comes in various sizes, making it easy to choose one based on tank size. No need to use excessive wattage, ensuring suitable heating for the water volume.

Materials and Design The rod is designed for convenient use in aquariums, not bulky, easy to install, and suitable for submersion as required for an aquarium heater.

Product Specifications

• 100W
• Model: GR-100C
• Size: 30 × 165 mm
• Power Cord Length: 1.15 meters
• Temperature Control Range: 20-34 ℃
• Suitable Water Volume: 70L

• 200W
• Model: GR-200C
• Size: 30 × 215 mm
• Power Cord Length: 1.15 meters
• Temperature Control Range: 20-34 ℃
• Suitable Water Volume: 150L

• 300W
• Model: GR-300C
• Size: 30 × 275 mm
• Power Cord Length: 1.7 meters
• Temperature Control Range: 20-34 ℃
• Suitable Water Volume: 250L

• 500W
• Model: GR-500C
• Size: 30 × 325 mm
• Power Cord Length: 1.7 meters
• Temperature Control Range: 20-34 ℃
• Suitable Water Volume: 400L

Precautions Always inspect the power cord and the device before use. The heater must be fully submerged in water before switching it on. Do not operate it dry. It should be used with a plug that has a ground fault circuit interrupter (GFCI).

Usage Tips When using for the first time, monitor its operation and check the water temperature periodically, as environmental conditions vary for each tank, and the actual temperature may have slight discrepancies.

Maintenance Turn off the power and unplug the device before moving or cleaning. Always wait for the device to cool down before handling, which helps ensure proper and continuous use.