Vivosun 40-Cell Seedling Tray Kit - LED Light & Heat Mat
Seeds started on a cold windowsill often germinate slowly and unevenly, then stretch toward the glass looking for light. The Vivosun 40-Cell Seed Starter Kit controls the three conditions seedlings need most: warmth, humidity, and light. It combines a vented 40-cell propagation tray, two dimmable 5000K LED light bars with a built-in timer, and a 10″ × 20.75″ IP67 waterproof heat mat with a dual-display temperature controller.
The clear 3.6″ humidity dome gives seedlings room to grow while holding in moisture. Two adjustable vents let you fine-tune humidity and airflow as plants develop. The LED light bars sit in the dome's top, and their inline controller offers four brightness levels (25%, 50%, 75%, 100%) and three timer cycles (8, 12, or 18 hours on). A center handle makes the dome easy to lift, and a snap fit keeps it seated on the tray.
Underneath, the temperature controller shows the heat mat's real-time temperature alongside your set point, with a range of 32–122°F (0–50°C). The 40-cell PET and PP seed tray has drainage holes in every cell and nests into a black base tray that supports root development. Fill the cells with soil or rockwool cubes, mark rows with the 10 included garden labels, and use the included tool kit to transplant seedlings when they're ready.