To clean an acrylic bathtub, you should aim to use a soft brush and warm water. You can easily make an at-home cleaning solution using vinegar and water. Don’t use the abrasive brushes like soft scrub or scratch-free. These abrasive-agents will scratch up your acrylic system, so you need to watch out for that! Don’t use leave-on cleansers, crystal drain cleansers, aerosol proponents, Ammonia-D or any other harsh chemicals. They will ruin the surface finish! Having the softest brush as your number one choice when it comes to choosing which brush to snap onto your power scrubber is the best choice. You don’t want to damage or destroy your bathtub!