You don t want to spend so much money on this homemade device.
How to make a homemade heat mat.
80 82 bottom temperature gap between heat mat and seed trays.
To control heating times use a thermostat or timer.
Here s a simple diy heater for seed starting that will cost less than the flexible ones and should last for decades.
73 75 degrees f soil temperature.
An average size mat 36 x 19 ranges from 20 60.
Of particular interest is the temperature comparisons of the store bought heat mats and the diy plan.
Noticing that i would have to drop a lot of dough for heat mats i decided to go with this plan instead.
You have to make sure that the heating mat is safe and won t cause an electrical shock or a fire hazard.
Commercial heat mat surface temperature thermometer placed on top of soil.
It has to be easy to construct even by inexperienced users.
Your heating mat has to be big enough to help all your seeds and seedlings.
Diy light heat mat surface temperature.
For gardeners everywhere this was a great invention as it gives the seedlings a quicker chance at success.