Most skimmers can be found in online shops. Most people think of Amazon. Especially skimmers made of plastic are well represented on this platform. However, if you are looking for stainless steel or gunmetal, you should rather look at other online shops.
If you prefer, you can also visit the DIY store in person. In this regard, we have compiled a small list of the most popular DIY stores for buying a skimmer:
Obi
Bauhaus
Heissner
Hornbach