I run 22 Silent USB Air Pumps in my Shrimp Room. How quiet are they?

My favorite aquarium USB air pumps with almost ZERO noise. I run 22 of them in my shrimp room and they keep it very QUIET! You will find out how much power they consume and I'll show you a cool hack on how to make this USB air pump even more energy efficient. 🦐 Check out my website for high-quality shrimp, breeding essentials & expert advice! 👉 https://www.shrimpmania.co.uk My eBay shop: USA: https://www.ebay.com/sch/i.html?_dkr=1&iconV2Request=true&_blrs=recall_filtering&_ssn=shrimp_mania&_oac=1 UK: https://www.ebay.co.uk/usr/shrimp_mania Buy me a coffee: https://buymeacoffee.com/shrimpmania Become a member: https://www.youtube.com/channel/UC1eVAR-YLL1pPotMLjvyOlA/join How I built my shrimp rack: Part 1: https://youtu.be/OyC_b41UCtE Part 2: https://youtu.be/OJ48e6KM6mM How I made my auto top off system: https://youtu.be/rYpvwaQt4Qg MY LIGHT in shrimp racks: https://youtu.be/OJ48e6KM6mM?t=267 MY LIGHT in aluminium profiles on top of the tanks: https://youtu.be/2adjsm0sCrc?t=1118 How I build an aquarium at home: https://youtu.be/INr06VB9hug ❤️ Follow me on Facebook: https://www.facebook.com/shrimpmania777 ❤️ My YouTube channel - https://www.youtube.com/channel/UC1eVAR-YLL1pPotMLjvyOlA Thanks for watching! #aquarium #silentairpump #usbairpump