My shower door frame has calcium scale, and the calcium and lime spray remover says not to use it on anodized aluminum. Do you have any hints?

Bring back the shine.

So, you flush regularly and still have a gross toilet bowl week after week? You're not alone. Calcium buildup in the toilet bowl is an unsightly and stubborn problem caused by hard water deposits over ...

(HealthDay News) — Some people who develop recurring kidney stones may also have high levels of calcium deposits in their blood vessels, and that could explain their increased risk for cardiovascular ...