I understand now. Keep the dimmer setting at maximum heat. Let your thermostat control the heat mat. Dimmers/rheostats won't turn off the heat source...
wow im late to the party lol. as far as the repashy goes i think its ok stuff for a healthy pet gecko, im not so sure about for breeding females tho....
I use a Fluker's 5.5 inch diameter dome fixture for my photo period bulb. The bulb is closer to the screen top than in a deep fixture. Try adjusting...