LMAO!!! I love this thread! Alright, I have a few. Most are more ignorant then funny.
1) Atleast every other day, someone comes into the lfs I work at and says "I need replacement cartridges for my hang on the back filter(for freshwater). I ask what brand because we only carry a handful of brands, and I also ask what size. The most common response is, "Oh, I don't know aren't they all the same?? I bought the filter at WalMart." Well, we don't carry the crappy filters they do at WalMart!!! How am I suppose to help you if you don't know what kind of filter you have.
2) Most of the following happen over the phone, but I actually had one grandmother come in and ask this question. She says, "Do you have clownfish?" We say yes we do. She says, "how much are they?" We say, "19.99" She says, "oh, ok, can I get one?? Because my grandson wants one for his birthday for his fish tank." And from experience we ask her if he has a saltwater fish tank. She says, "oh, you need a saltwater tank for clownfish?" DUHHHHHHHHHHHHHHH.