ArmyTiger,

You've got iron in your pool water. Your situation is very similar to this one
http://www.poolforum.com/pf2/showthr...5-I-m-Confused

Read it, and see if it makes sense. You can follow the same recipe. Post your results after a day or two. I'll try to notice, but if I don't remind me by email at poolforum AT gmail DOT com.

Ben