Seedling heat mats are usually sized to hold one two or four of the 1020 size standard nursery flats.
Diy plant heating mats.
You can plug multiple mats into a typical thermostat controller check specifications.
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.
Because we live off grid we needed to find another way.
80 82 bottom temperature gap between heat mat and seed trays.
A good low cost alternative is to simply make your own homemade heating mats for your seeds and seedlings.
Although there are diy alternatives to real seedling heat mats i fell for the appeal of something i could unpack plug in and put to work right away.
Of particular interest is the temperature comparisons of the store bought heat mats and the diy plan.
Bottom temperature gap between heat mat and seed trays.
It s very important to stay safe and to know what kind of heater will benefit your plants.
Diy light heat mat surface temperature.
Commercial heat mat surface temperature thermometer placed on top of soil.