If they are adults you wont need heat. They can be kept as pairs in as little as 16inX11in.
If you use a glass tank be sure it has a screen top. You want great ventilation but something soft enough they can't bonk on it.
They will need a water source that is clean.
A high protein food source such as gamebird starter / turkey starter / chick starter mixed with higher protein (they love treats to but don't NEED them )
A calcium source like oyster shell
A finch seed
Bedding material. Many types can be used. Newspaper can give them splay legs so I'd steer clear of that but a shelf liner on the bottom with pine shavings works well.
They do like hiding so you can add fake plants, wood pieces, clay flower pots too.
I think 10 gallon is too small. You might be better with a big clear plastic tote and cut out the top and put screen in it better than an aquarium. I buy allot of cages off of Craigslist cheap from around the area for my buttons. Usually the ones I get are called small animal cages, or rabbit cages I buy off of craigslist. I usually get them for a few dollars to about 20 for a cage. Just an idea.
I have one pair in a homemade cage that is 15inches High, 23inches long, and 15inches wide. It has soft shade cloth/mesh as a lid so they dont 'boink' up and hurt themselves, they have a self filling feeder & a flat dish for food, aswell as a water bowl, i have a plywood base covered with a good thickness of wood shavings, they have a small wood box as a hidey hole/nest box, I also have a small plastic tub filled with sand for them to 'dust bath' in.
My quails are outside 24/7 (its not nearly as cold here in Australia as elsewhere)
My buttons are happy and together (male&female) they hatch and raise all their own chicks before i move them into their own cage- simalar set up.
If anyone can suggest new ideas or improvements to my way of doing things, im happy to listen & learn.