What temp do you guys keep your tank at?

My aquarium is in a room set at 75°F. Do I still need a heater in the tank? If not, can I just pull it out without harming the shrimp? (I feel like my tank may be too hot)

My aquarium is in a room set at 75°F. Do I still need a heater in the tank? If not, can I just pull it out without harming the shrimp? (I feel like my tank may be too hot)