Spray the tub surface generously with vinegar solution. Vinegar is a great all-purpose cleaner and can cut through soap scum and dirt and fight stains. Allow the vinegar solution to soak in the tub ...

Q: My old cast-iron bathtub is badly stained and it leaks around the drain. Plus, the three-handle mixing valve used to fill the tub constantly drips. I found a do-it-yourself resurfacing spray kit, ...