@Nurse3: DH has built one before, several years ago, I think for his mom in Oregon. He probably couldn't give you much advice about plants, as the climate is so different there, but he may be able to help with depth and other info. I can't remember if I told you that I've been asking him to build one for us, mostly for my son's turtle who has outgrown her tank. He keeps saying our yard is too small, but I argue.
Pttthhh! If I pressure him enough, he may be starting on it in the Fall. It's just too hot right now. Then you and I could share some ideas. 4951