Brief report: Delivery: Absolutely correctly and on time Packing: All very well and securely packed Commissioning: Uncomplicated Operation: Now, have these really nice to be regarded well by the hour for 3 days in operation so far everything runs satisfactorily (after a few weeks would write again something about it ...) Negatives: How do I remove the water? I still have not a practical solution found dump is only partly the then running the water in the hollow body. Let's see. Otherwise, I think these solar fountains just great, especially the optics