Q: We want a new trendy faucet for our kitchen, the type that has a built-in spray head. But, I’ve noticed that some of these faucet spray heads pull out of the faucet body, and some heads pull down.

Q: The sprayer attachment on my kitchen sink just doesn’t have the power that it used to. I tried scrubbing the front of the sprayer with a vinegar-water mixture and an old toothbrush, but it didn’t ...