What is the smell I've heard Argie ponies have?

[NovelNerd]

You've made me have to go whiff my argies... Ummm they smell... like... chlorine?!  Guess they're really clean! None of my Italians really smell and the Mexican is unscented as well... LOL. (maybe my sniffer is broken...)

That's ok most of my Argies smell like bleach since they were nasty nasty, and I totally had to santize those ponies. Sometimes I still smell this kinda earthy dirt smell on them though and clean them again. Me and my neat freak ways.