We use Simple Green, Spic n Span liquid, or Scrubbing Bubbles on our tub and shower. As long as it doesn't contain ammonia, bleach, or an abrasive, it should be safe. Check the ingredients on the labels to be sure it's safe for ABS plastic.
Every day's a learning experience, though sometimes not what we expected.
2012 Jay Flight 19RD
2016 Ford F150 XLT 2X4 SC 3.5L Eco Max Tow
2010 Tundra TRD DBL Cab (Traded)
1 Spoiled Dog (RIP Bartley)