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Grodan Master is a special wet/dry slab
This product is an effective
Made from recycled polypropylene
or as supplement to SPYDR/VYPR
Jump Start Digital Temperature Controller for Heat Mats HPS Grodan Master is a specialOur 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
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