Grodan Starter Mini-Blocks Garden Soil & Potting Mixes Potassium plays a large role

Potassium plays a large role in the enzyme activation necessary for protein synthesis

The quick access port hole allows for easy root viewing and includes an air inlet / finger holes for hoses to easily pass through

making nutrients more available to microbial activity and ultimately to the plant

Also Contains Non-Plant Food Ingredients 5% Humic Acid (Derived from Leonardite)

Grodan Starter Mini-Blocks Garden Soil & Potting Mixes Potassium plays a large roleGrodan Starter Mini Blocks 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,