Thank u for your opinion...plastics in and moss is out

I am having the hardest time with humidity in this 55 gal tank....i have an air stone blobn bubbles in the water and even got a sponge and soaked it down...have a 100 watt heat bulb and a heater stuck lower on the side(not on bottom cause i worry the frog will big down 2 heater and burn) and 4 bricks of husk and i cant get it ubove 20 or 30...when i spray inside with water the humidity goes up a little but comes right back down...what am i doing wrong or what more can i do?? i wont get the frog til tank is perfect and humidity is holdn up the process
