Plug N Grow iGS-021 Day & Night Temperature Control silica Adjust the angle of oscillation

Adjust the angle of oscillation by pulling the pullswitch (B)

Replace your existing 300-400 watt bulbs with these self-ballasted

When you include Bug Ignitor in your feeding recipe

eliminating the need for pH meters or harsh pH-adjusting chemicals

And ultimately bigger yields

Plug N Grow iGS-021 Day & Night Temperature Control silica Adjust the angle of oscillationPNG IGS 021 Day Night Temperature Controller Basic and easy to use horticultural thermostat Daynight detection Can be set to operate heating or cooling equipment Adjustable day and night set points from 50 to 100F (10 to 38C) Precise external temperature sensor 20" cable 1F (0. 6C) Set point knobs are factory calibrated for accurate settings Smooth rotating knobs with continuous adjustment 120 V, 15 A, 2 HP load capacity