Seed Starter Kit – 128 Cell 1020 Trays Humidity Domes

Extra Strength 128 Cell Seedling Tray Kit

Get your seedlings off to a strong start with this professional-grade 128 Cell Seedling Tray Kit. Made from food-safe, BPA-free polypropylene plastic, this durable propagation system is built to last season after season without warping, cracking, or breaking. Perfect for both hobby and commercial growers, this complete kit provides everything you need to germinate seeds successfully and efficiently.

Kit Includes

• 128 Cell Seed Plug Tray

• Clear Humidity Dome

• 1020 Propagation Flat Seed Tray

Key Features

• Heavy-duty construction: Made from durable, food-safe PP #5 plastic that wont warp or break, even when filled with wet soil.

• Optimized for bottom watering: Each cell reaches the bottom of the 1020 tray for consistent moisture and reduced water waste.

• Controlled airflow: The humidity dome includes adjustable vents for maintaining the perfect growing environment.

• Efficient cell design: Cells widen at the top and taper at the bottom for easy plug removal and healthy root growth.

• Professional-grade quality: Built to withstand daily use in greenhouses, grow rooms, or home seed-starting setups.

Sizes

• 128 Cell Plug Tray: 21″ x 11″ x 2″ deep plug size 1″ square x 2″ deep

• 1020 Flat Tray: 21″ x 11″ x 2″ deep

• Humidity Dome: 21″ x 11″ x 6″ height (5″ interior space)

Description

The 128 Cell Seedling Tray Kit is a high-quality, cost-effective way to start your plants right. Its ideal for germinating vegetables such as lettuce, kale, herbs, onions, celery, and leeks, as well as flowers and ornamentals.

Each tray is engineered for easy plug removal and excellent drainage, allowing roots to grow freely and preventing oversaturation. With a humidity dome for precise moisture and temperature control, this kit ensures consistent germination and strong, healthy seedlings.

Whether youre growing in soil, coco coir, or hydroponic media, this tray set offers the durability and efficiency that serious growers demand.

Ready to grow stronger starts? Explore more options in our Seed Starting Supplies Collection