Your Best Choice for Aquarium Water Pump Bubble Magus Skimmer Aquariums Pump SP-2000 1.Maximum operating temperature: 95℉. 2. US Standard Plug is included in the package,which is only suitable for the US, Canada and Mexico. 3. If the water pump is stuck by anything like Mud, garbage, sea salt, etc. need to be cleaned with clean water before use. What is the maximum flow rate of the Bubble Magus SP-2000 pump? The maximum flow rate of the SP-2000 pump is 520 liters/hour, which is suitable for water circulation and filtration systems in small and medium-sized aquariums. Is the SP-2000 pump noisy? The pump adopts advanced silent design and has very low noise during operation, which is very suitable for aquariums that require a quiet environment. Is this pump difficult to install? The installation is very simple. The pump is equipped with a variety of interfaces to adapt to pipes of different sizes. Just follow the instructions to quickly complete the installation. Is this pump suitable for seawater and freshwater environments? Yes, the Bubble Magus SP-2000 pump is made of corrosion-resistant materials and can work stably and long-term in seawater and freshwater environments.