Bottom temperature gap between heat mat and seed trays.
How to make a homemade heat mat.
You don t want to spend so much money on this homemade device.
You have to make sure that the heating mat is safe and won t cause an electrical shock or a fire hazard.
Your heating mat has to be big enough to help all your seeds and seedlings.
80 82 bottom temperature gap between heat mat and seed trays.
An average size mat 36 x 19 ranges from 20 60.
Diy light heat mat surface temperature.
It has to be easy to construct even by inexperienced users.
Noticing that i would have to drop a lot of dough for heat mats i decided to go with this plan instead.
73 75 degrees f soil temperature.
The only drawback is the cost.
To control heating times use a thermostat or timer.
These are mats on which you set your pots with seeds and they provide a small amount of heat to keep the soil temperature warm.
Of particular interest is the temperature comparisons of the store bought heat mats and the diy plan.