Grodan® Gro-Block™ 1.5" Mini-Blocks™, 45 Blocks/Pack (50 Packs/Case)

Grodan® Gro-Block™, 1.5" Mini-Blocks™, MM 40/40, Mini Seed Starting Block for Plant Propagation, 45 Blocks Per Pack, Wrapped Mini Blocks, 50 Packs Per Case, 2250 Starter Mini Blocks Total Per Case 1.5 in x 1.5 in x 1.5 in (3 Strips of 15 or 45 ct) Block for effortless start-up of propagation Excellent root growth throughout the block Greater firmness for more manual handling Grodan Starter Mini-Blocks™ sit in a tray (flat) without support for easy starting of seeds and cuttings. These Mini-Blocks are individually wrapped in white plastic to minimize algae growth. For best results put them on the flat side of the GRO-SMART Tray to ensure good airflow around the cubes. The variation in small and large pores throughout the block ensures that the roots are always supplied with sufficient air and water. In addition, the water content of the block can be controlled with great precision. The efficient pattern of the pores ensures that water and nutrients are distributed uniformly throughout