MAT SET AT 83°F, OUTSIDE TEMP AT 85°F. WATER SOAKED OLD JEANS AT BOTTOM AROUND HEAT MAT AND ALUMINUM PLATFORM. ALUMINUM FOIL HOOD OVER THERMOSTAT SENSOR. NOT SHOWN IS INVERTED CLEAR PLASTIC LIGHT DIFFUSER USED AS LID AND TWO 1680 Lumen (DAYLIGHT) LIGHT BULBS WITHIN 12" OF CLONES.