Amazon[amazon.com]has the Quickie Lysol 2-in-1 Grout Brush for $1.79 + FS with prime
Temp out of stock but orderable
Designed with comfort and versatility in mind, the Lysol 2-in-1 Grout Brush fits comfortably in the hand for cleaning grout, shower door tracks, fixtures and other small areas. The scrub brush head features dual strength bristles and angled head for both hard and soft scrubbing of grout, tile and more. A removable detail tool for cleaning tight spaces like, spouts, soap dishes, scuffs and drains is built into the handle of the brush. There's also a built in scraper to tackle those tough jobs. This tool will stand up to the test of time; it contains an antimicrobial agent built into the bristles that provides continuous product protection against the growth of odor causing bacteria, mold and mildew. Over the years, Lysol has expanded and improved their products to meet the world's ever-changing needs. Today, Lysol products, including cleansers, disinfectants and hand soaps are widely used in homes, schools and businesses around the world.
Sleek ergonomic design for comfort and non-slip grip
Angled to scrub grout lines with ease
Removable detail tool for scuff removal and tight spaces