Ferdi Vol is a blogger and owner of a pool and a hot tub. He likes to enjoy these and swim in pools. By blogging he's hoping to help you learn more and take proper maintenance of your stuff.
DJ Pro Tips
Ferdi Vol is also a DJ for several years. He has another blog about djing where he provides information and coaches you to become a better DJ.
SEO Expert and Teaching SEO
Ferdi Vol is an SEO Expert and teaches others SEO on his personal website https://ferdivol.com/ where he teaches students to become an SEO pro. He also has a youtube channel where he teaches about becoming better at SEO.