I have a Midwest 36ZN for my full grown EB. It is a wire crate and has a partition to make it as small as you want while he is a puppy. The only thing I don't like about it is that it is assembled by conecting the corners by pushing a metal rod through the loops of the sides. Because of that...
My bottle holds as much as I would normally put in his bowl. I don't think they instantly know how to get water out of it. My EB is always curious and loves water so all I had to to do was introduce him to it. Once he started mouthing it he realized water came out and thats all it took.
I use a water bottle. It did not take my EB long to figure it out although he kinda chews the end instead of using his tongue but he gets water out of it. The end is metal. I tried the one you have a link to but could never get it to stop leaking so I use the one in the following link without a...