The skimmer not funtionierte only. He raised himself always out of the water and ran dry. Only after I have beschwehrt him with a pebble and fixed him with a cord it worked good Teil.Auch I enttäuscht.Außer I cleanse from the big promise of clarity of the water that good part twice a day and tedious the filter mat of pine needle liberate the night bars I did not very much "fun" on the much vaunted portion. That's why only 3 stars. 5