Atman J25 Aquarium Heater | Blessings Aquarium

• 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

Heater selection may vary according to room temperature, aquarium volume, water circulation and the required temperature increase.

• 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.

• 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.

• 1 × Atman J25 Series Aquarium Heater
• 2 × Suction Cups with Mounting Holders