In this price range you can expect nothing special. But he does what he is, namely keep the pond reasonably clean. I run it on an approx 12m³ pond with a few fish in it. The assembly was easy, the parts should all be treated with feeling because is made of plastic but. The UVC lamp could successfully reduce the algae in my pool, noticeably ca.8Wochen. In addition to the existing filter mat, I have done a separate in where the original not really good filters. The pump is powerful enough, an ordinary ray comes out .. Would buy the thing again.
