Ok I have a 30 gallon glass aquarium with 2 uth's 1 on hot side and 1 on cold. Hot side temp 90-92 cold side temp 80-82. House temp around 74 constant temp. I have 1 inch of cypess mulch for substrate humidy averages around 60-65 percent ambient temp stays around 74. Tank is covered on 3 sides with 1/4 styrofoam and 95% of screen top is also covered with styrofoam covered with foil. Unable to get ambent temp up. Any help or suggestions would be appreciated.