This is a single block system (SBS) cube tray that is ideally designed to hold 77 blocks for seeding or cutting propagation.
The tray is designed to easily handle a large group of growing cubes to hold young plants until they grow sufficient roots before being transplanted to larger cubes or pots.
What's in the Box
- [1] x Grodan SBS Rockwool Grow Cubes - 36MM | 77 Cubes | w/ Tray | Propgation Medium