Aqua Heat Titanium Reservoir & Aquarium Heater - 200watt Heater tube is fully submersible. Automatic electronic heater. Double heating tube. Very durable and reliable. Easy temperature control. Ideal for saltwater and freshwater. Temp range: 68°F (20°C) to 93°F (34°C).... — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.