RS Electrical 75W Automatic Aquarium Heater

The RS Electrical 75 W Automatic Aquarium Heater ensures a healthy, stable aquatic environment by delivering consistent heating for small to medium fish tanks (up to approx. 75 litres). This fully submersible glass heater comes with an automatic thermostat that regulates water temperature between about 18 °C and 32 °C and switches the unit on and off as needed. A visible indicator light lets you monitor operation at a glance. Built with durable double‑glass protection and easy installation via suction cups, it supports a variety of aquarium types — including freshwater, saltwater/marine, brackish, and planted setups — helping prevent harmful temperature fluctuations that can stress aquatic life.

🐠 Key Features

• Automatic temperature control: Heats water and maintains target temperature without manual adjustment.
• Indicator light: Shows when the heater is active.
• Submersible glass design: Easy to install and stays fully underwater.
• Suitable for small‑medium tanks: Ideal for aquariums up to ~75 L.
• Versatile use: Works for freshwater, brackish, marine, and planted tanks.