Actually, I think I posted that wrong. I believe they are a BioGuard store - not AquaBan. They actually call themselves "your accurate water testing center"! The other main pool store in my area only uses test strips - same as I used to use at home. All the other stores in my area are either branches of these two, or very small stores. I'm going to have to search the yellow pages and call around. I may not have a place to get my water tested accurately.