This unique tandem heat mat combination takes indoor gardening to the next level. up to 6x heating mats. (This link only applies to 2 heating mats). These heating mats are perfect for use with 1020 plant trays and keep the temperature of the root area within the optimal temperature range of 20℃~30℃/68-86℉, which is ideal for seedling germination and can effectively increase the germination rate by 40%.
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