Don't take this the wrong way because I share your enthusiasm on leopard geckos and enjoy reading your posts, but it's pointless to debate about stuff like this because you neither have the experience nor academic credentials to back up your "opinion". :)
You have only had a leopard gecko for...
Here's my fire gecko tattoo. He sits on a floating sugar maple leaf. It got him several years ago. Even though I'm new to leos, I guess I have always liked geckos. I want to add more to cover the whole shoulder, but I haven't been able to decide what I want yet.
For my fish tanks, I use straight tap water with a dechlorinating solution because I don't want to wait. But if you want to air it out, it only takes a day. The reason chlorine is bad for fish is because of their gills. Chlorine binds with their gills and prevents the gills from obsorbing...