Atman J25 Aquarium Heater | Blessings Aquarium
The Atman J25 Series Aquarium Heater provides precise, reliable and uniform heating for freshwater and saltwater aquariums. Its adjustable temperature-control knob allows you to set the required water temperature, helping maintain a stable and comfortable aquatic environment throughout changing weather conditions.
The heater features a clear temperature scale for convenient adjustment and a durable quartz-glass tube designed to resist heat and corrosion. Strong suction cups securely hold the heater against the aquarium glass, while its fully submersible construction supports efficient heat distribution.
Available in 50W, 100W, 200W and 300W models, the Atman J25 Series offers a suitable option for aquariums from 25 to 300 litres.
Key Features
- Precise, adjustable temperature control
- Quick and uniform water heating
- Fully submersible construction
- Suitable for freshwater and saltwater aquariums
- Clear and easy-to-read temperature scale
- Low-water-level automatic shut-off protection
- Durable, high-quality quartz-glass tube
- Heat-resistant and corrosion-resistant design
- Strong suction cups for secure installation
- Energy-efficient performance
- Compact and dependable construction
- One-year warranty
Technical Data
Model J25-50W J25
100WJ25
200WJ25
300WPower 50W 100 W 200 W 300 W Voltage 220-240v 220-240v 220-240v 220-240v Frequency 50/60Hz 50/60Hz 50/60Hz 50/60Hz Applicable tank 50L 100L 200L 300L Models and Suitable Aquarium Capacity
Model Power Recommended Tank Capacity J25-50W 50W 25–50 litres J25-100W 100W 60–100 litres J25-200W 200W 100–200 litres J25-300W 300W 200–300 litres Heater selection may vary according to room temperature, aquarium volume, water circulation and the required temperature increase.
Installation, Use and Maintenance
- Check the heater, glass tube and electrical cable for damage before installation.
- Attach the heater securely to the aquarium glass using the supplied suction cups.
- Position it fully underwater in an area with good water circulation.
- Set the required temperature using the adjustment knob.
- Leave the heater submerged for approximately 15–20 minutes before connecting it to the power supply.
- Use a separate aquarium thermometer to monitor the actual water temperature.
- Adjust the temperature gradually whenever necessary.
- Before cleaning, switch off and unplug the heater.
- Allow it to cool in the water for 15–20 minutes before removing it.
- Wipe the glass tube gently with a soft cloth or sponge.
- Regularly remove algae and mineral deposits.
- Never use soap, detergent or harsh chemicals.
- Inspect the glass tube, cable, plug and suction cups regularly.
- Replace damaged suction cups or discontinue use if any electrical component is damaged.
Important Safety Instructions
- Never operate the heater outside the water.
- Keep the heater fully submerged during operation.
- Always unplug it before placing your hands in the aquarium.
- Never remove the heater immediately after switching it off.
- Do not use it if the glass tube, cable or plug is damaged.
- Keep the plug and electrical connection completely dry.
- Create a drip loop in the power cable.
- Do not cover the heater or place it under aquarium substrate.
- Keep it away from direct contact with decorations.
- This electrical product should be installed and handled by an adult.
Package Contents
- 1 × Atman J25 Series Aquarium Heater
- 2 × Suction Cups with Mounting Holders