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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
and then add Hydro A & B
placing the lid back on
The ROI-E420 isn't just an LED with an on and off switch
and up/down arrows for adjusting relative humidity
including the two-spotted spider mite
Jump Start Digital Temperature Controller for Heat Mats Titan Controls and then add Hydro AOur heat mat thermostat is digital for greater accuracy. Features Water resistant stainless steel temperature probe Digital temperature control Provides constant optimum temperatures for specific crops Controls temperature in colder or warmer environments LED mode indicator lights; 3 prong grounded plug Compatible with all Hydrofarm heat mats Controllable range from 68 to 108 degrees Fahrenheit Celsius or Fahrenheit read out (press Up or Down button