1020 Extra Strength Humidity Domes

Extra-Strength Humidity Domes for 1020 Trays – Made in the USA Give your seedlings the best chance at strong germination with Bootstrap Farmer’s Extra-Strength Humidity Domes, built specifically for 1020 seed trays. Unlike flimsy domes that crack or collapse, ours are made in the USA from heavy-duty, food-safe #5 plastic and designed for years of reuse. These domes help create the perfect microclimate for seed starting, cloning, and propagation, maintaining consistent humidity and temperature while evenly diffusing light across your seedlings. Available in both 6" height for standard growing and 2.5" height for shallow trays. Features Heavy-duty construction – durable, not flimsy or brittle Designed for Bootstrap Farmer Deep 1020 trays and plug trays Gently rests on tray rims (not intended to snap-seal) Made in the USA from extra-strength, BPA-free #5 plastic Frosted, high-diffusion plastic ensures even light distribution 6" dome with 5.5" interior height; outer dimensions: 21¼" x 11" x 6" 2 adjustable humidity vents for precise airflow control Easy-grip handle for quick lifting Also available in a 2.5" dome height (recommended for shallow trays) Notes on Durability These domes are built to last but should be stored out of direct sunlight when not in use, as prolonged UV exposure can degrade plastic. Warranty covers cracks and issues caused by manufacturing defects, not sun damage. ✅ Whether you’re rooting clones, sprouting microgreens, or starting vegetable seeds indoors, Bootstrap Farmer’s Extra-Strength Humidity Domes create the ideal environment for successful germination. Build your perfect seed-starting system. Explore all of our Seed Starting Supplies