Thumb Score: +38 Amazon has 32-Ounce Kaboom Shower, Tub & Tile Bathroom Cleaner on sale for $3.58. Shipping is free w/ Prime or on $25+ orders. Thanks to Deal Hunter Rokket for sharing this deal. Deal Editor's Notes & Price Research: [LIST][*]About this Deal:[LIST][*]Rated 4.6 out of 5 stars from over 550 reviews.