If you need to improve drainage along the length of the drain pipe, consider drilling 1/2-inch holes in the bottom of the pipe, but avoid puncturing the pipe within five feet of the home's foundation.

My husband and I are doing a bathroom remodel. The biggest change is the bathtub. The builder put in a smallish tub, and I’m now going with a luxurious soaking tub. Our house is on a slab.