Your heating mat has to be big enough to help all your seeds and seedlings.
How to make a homemade heat mat.
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.
It has to be easy to construct even by inexperienced users.
73 75 degrees f soil temperature.
Noticing that i would have to drop a lot of dough for heat mats i decided to go with this plan instead.
To control heating times use a thermostat or timer.
For gardeners everywhere this was a great invention as it gives the seedlings a quicker chance at success.
Diy light heat mat surface temperature.
80 82 bottom temperature gap between heat mat and seed trays.
Bottom temperature gap between heat mat and seed trays.
You have to make sure that the heating mat is safe and won t cause an electrical shock or a fire hazard.
You don t want to spend so much money on this homemade device.
Commercial heat mat surface temperature thermometer placed on top of soil.