The answer to 'how to maintain bathroom' is to create and follow a regular cleaning routine. This includes wiping down surfaces, scrubbing fixtures, and properly maintaining plumbing to prevent issues. Proper bathroom maintenance helps keep it looking and functioning its best.
Start by making a checklist of weekly and monthly cleaning tasks. Weekly, wipe down counters, sinks, and mirrors, and clean the toilet. Monthly, scrub the tub and shower, and clean the floor. Ventilate the bathroom well after each use to prevent mold and mildew buildup. Check for and address any leaks or plumbing problems right away to avoid damage. Hire a professional plumber if you're unsure about DIY repairs.