I am subscribed to them. It is INSANE some of the stuff they build. And the bulk of it they use just their hands. It is really crazy. It is like watching someone build all the crazy shit you wish you could of built in your own back yard as a kid.
what's the channel? i've seen some stuff, but not this particular one. Though they look amazing, the waters are usually idle and would become stagnant quickly without filtration
https://www.youtube.com/channel/UCKrPwTgZuqZhMSGYeTb_Zpw
These 2 are the ones I am subscribed to.