I like the Wasserprudler very good, simple and straightforward, he fulfilled his duties, from water using CO2 - bubble herzustellen.Das device is simply designed, is apart from the gas cylinder made of plastic and yet is very stable and standfest.Der CO2 Zylinlinder can easily switch the device screw bzw.in what also applies to the PET bottle - Operating in this case not notwendig.Die preparation of soda water is therefore not rocket science and the result is zufriedenstellend.Es is probably on the tap water to make a difference to the Find bottled water from the supermarket zukönnen, I notice him nicht.Somit the device meets my needs and helps me never have to haul water boxes.