Here the best choice is the hydrofarm 48 x20 heat mat with a jump start heat mat thermostat.
Hydrofarm digital heat mat thermostat instructions.
Includes base tray 72 cell insert vented dome heat mat and rooting enhancer.
Full instructions are printed right on the mat.
Get started quickly with your own growing media and plugs or purchase them separately for a complete system setup.
I regulate the temperature of the seed heat mat with the hydrofarm mtprtc digital thermostat set at between 85 90 degrees.
This thermostat has a temperature probe you can insert into one of the organic bio sponges to obtain a direct soil reading.
The large seedling heat mats are a recent pick up for me.
It is compatible with all hydrofarm heat mats and many other heat mats.
In a hurry here are our top seedling heat mats and thermostats on the market that we recommend.
Active air portable air conditioner 14 000 btu.
The seedling heat mat is ul listed and provides gentle heat that will never damage roots.
Now that i have started growing microgreens more and more i find that having the larger surface area for my heat mats is a much more efficient way to germinate them.
The hydrofarm heat mat thermostat is a digital temperature control device that allows gardeners to select and maintain optimum rooting temperatures for faster seedling or cutting growth.
I route the probe through one of the vent holes in the lid of the bio dome.
Grow t commercial coco loose 1 75 cu ft bag.
Therefore you should consider using seedling heat mats.
Hydrofarm 19007 mtprtc hydroponic 12 x 48 60 watt seed start seedling propagation heat mat with 6 foot power cord and digital temperature controller 5 0 out of 5 stars 2 55 99 55.