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• 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 eighteen 3-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.

Versatile Across Many Seed Starting Methods

The Universal Bottom Tray is 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. 

How To Bottom Water Seed Starts in 5 Easy Steps

Drainage Holes: None

Industry Standard 1020 Tray Size

Outside tray dimensions: 21-3/8” x 11" x 1-1/2″

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.