Hydro Crunch™ Digital Thermometer And Hygrometer With Probe nutrifield Each block measures 4-Inch x

Each block measures 4-Inch x 4-Inch x 4-Inch with 42/40 Hole

to support structural and vegetative growth

Textured Single Use Only

and harsh chemicals while producing cooler water temperatures to enhance plant growth

It works directly on seeds and roots to create vigorous roots and robust plants

Hydro Crunch™ Digital Thermometer And Hygrometer With Probe nutrifield Each block measures 4-Inch xDisplay temperature, humidity and time simultaneously Memory of MAX & MIN measuring value. 12 hour 24 hour displaying system selectable Economical way to monitor indoor or outdoor temperature and humidity. C F unit selectable Clock display with alarm function. Display features one inch tall digital numbers Desktop placing or wall hanging. If used outdoors, please place under protected area such as a covered porch.