2 Pack Seedling Heat Mat for Seed Starting Plants Germination, 10"x20.5" | Improve germination rate, Stable uniform heat, Ideal germination temperature 75- 95°F(24-35°C),Waterproof, Fit 1020 Tray
RooTrimmer 2-pack of 10 by 20.5 inch seedling heat mats sized for standard 1020 trays, a low-cost way to warm seed trays on a windowsill or shelf.
Price range: See on Amazon
What we liked
- + Sized to match standard 1020 nursery trays, so a mat sits under a full tray and warms it evenly, as the listing describes.
- + Listed range is 75F to 95F at only 20W per mat, a low-wattage design that suits small indoor seed-starting setups.
- + Waterproof PVC layers with a graphene heating material are described for repeated seasonal use, and two mats come in the pack.
Trade-offs
- - Each mat is 10 by 20.5 inches, smaller than the 20 inch wide pair it replaces, so a large tray needs two mats.
- - The listing mentions no thermostat, so a separate controller is needed to hold a precise temperature.
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