fish behaviour flaring

I need some answers. Will triops hatch under a battery powered book light in a 8-16 oz deli cup? And can a betta survive in 70 degree water? I plan to get a heater soon, but the house is made in the 1960s and most of them are not safe. So can he survive for a few months?

Hello everyone. As I posted before I have put my two fish into a split 10 gallon tank from two vases (approx 3-4 gallons each). Pinkman- my CT was very.. "flarey" from the day I got him. He will flare in his new home too- only if he sees his reflection or if he sees a glimpse of his room mate...