The RS 300W Aquarium Heater is a high-capacity submersible thermostat heater designed to maintain a stable and precise water temperature in medium to large aquariums. It provides reliable heating for tropical fish, ensuring a safe, stress-free, and healthy aquatic environment.

With its automatic thermostat control system, the heater continuously monitors water temperature and turns ON/OFF as needed to maintain the set level efficiently.

⚙️ Key Specifications

• Power: 300 Watts
• Type: Submersible Aquarium Heater
• Voltage: 220–240V / 50Hz
• Temperature Range: ~20°C – 34°C (approx.)
• Control Type: Adjustable thermostat dial
• Suitable Tank Size: ~150L – 300L (approx.)
• Installation: Fully submersible

🌡️ Heating Function

🌊 Stable Temperature Control

• Maintains consistent aquarium temperature
• Prevents sudden temperature fluctuations

🔁 Automatic Thermostat System

• Automatically turns ON/OFF based on set temperature
• Ensures energy-efficient and safe operation

🐠 Fish Health Support

• Reduces stress in tropical fish
• Supports metabolism, immunity, and growth

🐟 Suitable For

• Medium to large freshwater aquariums
• Tropical fish tanks (angelfish, discus, gourami, cichlids, goldfish setups in warm water)
• Planted aquariums
• Light marine aquarium setups
• Aquarium hobbyists and breeders

🌟 Key Features

• ✔ Adjustable temperature control
• ✔ Fully submersible waterproof design
• ✔ Automatic thermostat regulation
• ✔ Stable and efficient heating
• ✔ Easy installation with suction cups
• ✔ Suitable for larger aquarium setups