You don’t have to be a scientist to know if your home has hard water. Maybe you’ve seen cloudy spots on glassware or experienced a crusted-up kitchen faucet. Maybe the film on the shower door seems ...

I love a good cup of coffee as much as the next person, but I wouldn’t necessarily call myself a java connoisseur. My at-home setup is relatively basic, with a drip machine that grinds and brews at ...