Well (LOL) Osage - first sorry took so long to reply (email removed) as this IS an older thread...
I raised goldies as a kid - sold to local outlet (long before shipping crxp from overseas)... they need vegetable matter in their diet and have a unique digestive system) Like Japanese - who have longer torso's (lived there many years ago) and that's because their intestines is actually longer then the rest of us... to digest/metabolize all those vegetables and carbs (historically speaking).
I would get "cheap" plants like Anacharis - they love them and need them as well.
when you have a well balanced aquarium (ie real live plants, lol) it - the maintenances becomes much easier - you have got to trust me on that!
Please email so we can follow up if interested.
(and I can send my photos to boot).