Here is another robot that keeps your pool clean without you having to break a sweat. The Dolphin Nautilus CC Plus can handle in-ground swimming pools up to 50 feet. It can get the job done in just 2 hours. It uses dual scrubbing brushes to get rid of stubborn dirt. It comes with a tangle-free swivel cable.
This robot can be put on a schedule. You can use 3 settings to clean your pool every day, every other day, or every 3rd day. More information is available here.