Pond Fountain Pump Pondmaster 1300 Pond One. This fountain pump is suitable for both indoor and outdoor use, and is suitable for use in cold water tanks, tropical aquariums or marine fish tanks. The maximum flow rate on this 240 volt pump is 1100 L/hr. You can use this water pump for cascades, waterfalls, fountains, statues, small ornaments and wall fountains. This pond pump can also be used for hydroponic systems and irrigation systems. This is a completely submersible fountain pump that is quiet, easy to set up and efficient to use as it is only a 15 watt pump. The water pump comes with 3 fountain head sets - mushroom, two tiered and three tiered.