im covering the tape up with a dish towel it has to be there its my tank divider. and hes only in a 30 gallon size tank. which i been told is fine and hes fine in it. i was makin sure he woudlt get burned cuz glass does get hot so my heat mat wil lreach 102 to hit 92 inside. thats wut im hiting at the surface of the mat right now 100 and the sufrace of the substrate is 93.i get the glass tank tomorrow jsut ogtta pick it up and clean it lay the new substrate out and so on