Quote Originally Posted by bigballs

take off the screen lid and wrap it up with saran or cling wrap(you know those plastic kitchen wraps). wrap it up just over half way so you have space for the heat from the heat lamp to get through. if you are using a uth then you can wrap the whole thing but make sure the tank has enough ventilation.
i just put the saran wrap on my tank and man it works great. went form 36 up to 47 already. thanks for the help