Hydrofarm Digital Heat Mat Thermostat Intermediate-Day Tops are dark green with

Tops are dark green with 7-8 leaves with 2 skins

Fleuroselect Winner

21-26 days

Using a heat mat is a must for greater seed germination and jump-starting

80-90 days

Hydrofarm Digital Heat Mat Thermostat Intermediate-Day Tops are dark green withHydrofarm Digital Heat Mat Thermostat Compatible with All Heat Mats! The Hydrofarm Digital Heat Mat Thermostat is for use with seedling heat mats and reservoirs. The heat mat thermostat is digital for greater accuracy. Features: Stainless steel temperature probe can be submerged in water Digital temperature controller for heat mats Provides constant optimum temperatures for specific crops Controls temperature in colder or warmer environments