Rather that siphoning water into buckets and then carrying these from tank to sink or drain, a simpler method is to use a small compact powerhead/pump. Once the basic vacuuming of the tank is over the rest of the water to be changed can be done directly to a waste source such as a window, toilet, or drain. A small but powerful pump can be used for this. Something like the MaxiJet 1000 is perfect.…