Electric Spin Scrubber Brush Floor Scrubber, Cordless Shower Scrubber with Adjustable Extension Handle and 3 Replaceable Cleaning Brush Head, Bathroom Scrubber

This one can be adjusted without much energy at all. Its sturdy and the brushes are heavy duty enough to clean out and are ready to use again and again.

It takes some control, because when this thing is spinning it's really powerful and can wander a bit. You have to hold it well to keep it on the area you want, but the results are worth it.

I had bought scrub heads for my drill previously, and even a small handheld scrubber.

I’m embarrassed to say I was grossed out by what it revealed but was also relieved that I now have this tool to help me deep clean with little effort.

I use it on my bathroom floor tiles & wood threshold to scrub off all the hair spray overspray from our household full of girls. It works great on the tub also.