Quote Originally Posted by pinkpineappleshoes View Post
But now my hotspot has dropped to between 29-31' depending on time of day so lower than it should be and the rest of the temps have also dropped by 1-2'. Im a little stumped by this to be honest? Suggestions welcome please...
Is that the temperature of the air over the warm side, or the surface temperature of the glass? The surface temp shouldn't change no matter what kind of substrate you use.