Grodan Gro-Block Improved Mini-Block, 1.5" - Case of 2250 Green Lights When the liquid level drops

When the liquid level drops below the bottom sensor

including hydroponics and soil-based gardens

steady release of nutrients and encourage deep root development to help reduce watering requirements

and crucial amino acids

Grodan Gro-Block Improved Mini-Block, 1.5" - Case of 2250 Green Lights When the liquid level dropsThe Grodan Delta design forms the foundation for uniform and perfectly controllable propagation of plants, a prerequisite for powerful and vigorous plant growth. The variation in small and large pores throughout each block ensures that plant roots are always supplied with an optimal balance of air and water. Moreover, the water content of each block can be controlled with precision, and the efficient pattern of the pores ensures uniform distribution