Dreazu Electric Spin Scrubber, 10-in-1 Shower Scrubber & Retractable Long Handle, 44 lbs High-Torque & Variable Speed Shower Cleaning Brush for Bathroom,Toilet, Bathtub, Kitchen, Tile Floors

What about something like this electric spin scrubber? https://a.co/d/0g5Ppy0s I just chose the one Amazon recommended but there are a variety of price ranges.

Try getting and using something like this, will save you a few hours electric scrubber