This summer, our pool has decided it would prefer to be a lovely shade of green. Despite my best efforts, the pH-level has been bouncing all over the place. The bleach is often ineffective. It wouldn't be so bad, but we are trying to sell our house. Nobody wants to buy a home with a Kermit the frog, pea-green pool. My husband and I have been working like crazy to keep our home ship-shape. Now I'm not the neat-freak type, so (normally) I am quite happy if my house has only a light layer of dust. This summer, however, we have had to make it look like we live in a model home. Not easy with a dog, a teenager and an elderly mother-in-law. At our last showing, we spent an hour running around the house like crazy people - dusting, cleaning, and spritzing air freshener. I even plucked a few orange Tiger lilies and threw them in a cut-glass vase on the coffee table. The buyer walked in, took one look, and left in 3 minutes.Three minutes! He didn't walk through the hou...