I bought the pump, because I built a mini pond on the balcony. I have to put a 90 liter bucket Maurer, equipped with plants and I bought this pump. Come 3 different essays, but you can run without the attachments him, then the water just above quilt out. The adjustment of the flow rate is variable, with me it boils down to middle level, so no water splashes out of the tub. However, I had to take an upturned flowerpot as an increase of the pump. However, this has the advantage that the suction cups hold the pump very well because the plastic base does not give this support. The Solarparnel I attached directly to the handrail using the supplied bracket in a sun umbrella holder. The advantage I can rotate depending on the sunlight and it is removed if Ruckzuck times rears a real storm. Direct sunlight is also needed, otherwise there is no water. Since I have a south-facing balcony, it's going great. For attachment to the wall, it is my opinion less suitable. All in all it is a good recommendation for a mini pond .... for larger and deeper ponds unsuitable.