Face it , its your tank now she just wants to look now and then , pace yourself, dont get burntout , you said fish are stupid, now you have 4 tanks including hers , is this gal marriage material in the future ? if not dont sweat it
Love the AC,s super easy to clean & maintain I have 2 AC 110"s on a 100 ga.
theres lots of room in the filter to mix and match all sorts of different media
just my .02
Thanks