I live in a rural area so my water comes from a well. It is very rusty. Even though we have a water softener, I am constantly battling a rust stain in the bottom of my white kitchen sink. So as I remodel my bathroom, I'm trying to get a tub that is as resistant to rust stains as possible. My understanding is that porcelin, stone resin, or solid surface would be my best bets. My husband doesn't like the shape of the porcelin tubs so those are out. As for the other 2, I can't find any alcove style other than the MTI brand, which has no reviews wherever they are sold. Does anyone have experience with MTI solid surface alcove tubs that they can share? And am I missing something? Are there other solid surface or stone resin alcove tubs that I haven't found? Thanks :-)