Product Description: The solar fountain has a lifespan of over 10,000 hours. The solar fountain pump features a built-in brushless motor for longer life and lower energy consumption. Function: Fully submersible in fresh and salt water, suitable for all fresh and salt water aquariums, ponds, rock gardens, garden irrigation, fountains, aquariums. Features: This new, small, and powerful round solar pump helps raise the pH of the water, circulate it, and improve the life of the pond and fish.< /p> Product Advantages: 4 nozzles for different water types. Adjust the type and height of the nozzle by changing the different tips. The stronger the sunlight, the better the effect. Make sure there is enough water in the fountain so that the pump is completely submerged. Practical Tips: (1) Make sure there is enough water in the dispenser so that the pump is completely underwater. (2) The solar pump must be fully exposed to sunlight, without leaving leaves or other objects or obstacles on the