On Tue, 21 Feb 2012 18:18:52 -1000, dsi1
> wrote:

>
> The water marks are streaks of calcium deposits. I believe it's the same
> stuff that clogs up drip coffee makers. I could use vinegar, I suppose
> but the idea is repulsive to me. I'll try bathtub scum remover first. Yummy!

ICK! Please use vinegar first (I think white is what people use)!

--
Food is an important part of a balanced diet.