Product Specs
Product Details
Product Details
- Our Universal Bottom Tray (UBT) allows you to get the benefits of bottom watering without any mess.
- The tray will keep all the water and soil with the plants, not all over your house with an entirely flat bottom making it easy to clean.
- One Universal Bottom Tray can hold twelve Epic 6-Cell Trays OR eight Epic 4-Cell Trays.
- Our UBT can hold eight 1-gallon pots or eight 5-inch pots.
The engineered plastic construction is designed to have a high strength-to-weight ratio. The rugged construction will withstand all the abuse you can throw at it over the season and give you many years of productive use. A single tray can hold over 25 pounds without warping.
The trays nest into each other reducing stacking height and saving storage space.
The Universal Bottom Tray is versatile across many seed starting methods and 100% compatible with air-prune, Winstrip-style trays, and any other 1020-size cell tray. They are perfect for 72 and 128-cell trays.
With 200 square inches of space, these trays are incredibly versatile and will quickly become the most used tray in your nursery.
The UBT can be used on top of a heat mat.
Specification
Specification
- Drainage Holes: None
- Industry Standard 1020 Tray Size
- Outside tray dimensions: 21-3/8” x 11" x 1-½″
- Inside tray dimensions: 20-1/2" x 10″ x 1″
- Total 6-cell Trays per Universal Bottom Tray: 12
- Total 4-cell Trays per Universal Bottom Tray: 8
- 100% Designed & Made in the USA
- They are made from BPA-free & UV-protected plastic.
How to use
How to use

Convenient and Flexible

Built to Last

Enhanced Root Health
Get Started With Confidence
Simple Step-By-Step Guide To Starting Seeds At Home





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Frequently Asked Questions
Get long-lasting performance from our 6-cell seed starter trays. Made from recycled, UV-resistant American plastic, our trays are super strong and reusable, ensuring they will last season after season.
Our ultra-bright, full-spectrum LEDs are specifically designed to provide the perfect light spectrum for healthy seedling growth. This ensures your plants receive consistent, natural light year-round, promoting robust development from sprouting to maturity.
Yes! Our trays, domes and heat mats work together to build your ideal gardening set.
Epic Trays are rigid, yet flexible. They’re practically unbreakable and should last you a lifetime.
We recommend hand-washing with hot, soapy water as the best way to keep the material in good shape for years of use. A good dish detergent should sterilize the trays enough to protect seedlings.
As long as your mix is formulated properly, it won’t fall out. Each individual cell in our Epic Trays features an air pruning side slot on all four corners to discourage root circling and encourage better root growth. The bottoms of each cell are also open providing air pruning at the lower end of each cell
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