Bifferwine
I am a girl
i have to go look i'll try and take a pic i dont know what kind it is but i know he spent $500 on it well the blue damsel is looking alot better he was almost gone of his blue and now theres barely any grey on him almost all his color came back!!
If it looks anything like this: http://www.orchidaccessories.co.uk/catalog/images/RO System 50.jpg
then that is a reverse osmosis unit, and that water will be great for your tank.