Aquarium Heater

A submersible glass heating rod with adjustable temperature control, designed to help maintain a stable and comfortable water temperature for tropical aquarium fish. Supplied with suction cups for secure installation. Installation & Usage: * Inspect the glass tube, cable and plug before installation. Secure the heater vertically or diagonally near gentle water circulation without allowing it to touch the substrate or decorations. * Keep the heating section fully underwater and follow the minimum or maximum water-level markings on the heater. * After positioning, leave the heater submerged and unplugged for 20–30 minutes before switching it on. Set the required temperature and verify the actual water temperature using a separate aquarium thermometer. Safety Warnings: * Never operate the heater outside water. * Unplug it before placing your hands in the aquarium or performing maintenance. * Allow it to cool in the water for approximately 30 minutes before removing it. * Do not use if the glass, cable or plug is damaged. * Keep the plug and socket dry and arrange the cable with a drip loop. * Keep away from children.