Mini Aquatic frogs in a 20 gallon tank? ?

it is absolutely shocking you were able to keep them alive in a quarter gallon of water for so long ... those brookstone frog-o-spheres are no longer allowed to be sold as they were deemed cruel ... you can put those frogs in 20 gallons ... i had many for several years in a 30 gallon tank which is the absolute largest they should be kept in ...