Grodan® Stonewool Delta 2" Mini-Blocks™ CFL Bulbs The GrowLab® Horticultural Grow Room

The GrowLab® Horticultural Grow Room has all the features you could ask for - and more

This can damage the circuit board which is not covered under warranty

Use FloraKleen® monthly to purge your hydroponic system or potted plants of excess salts that can accumulate as a result of regular fertilizer application

HINT: If not working properly

Grodan® Stonewool Delta 2" Mini-Blocks™ CFL Bulbs The GrowLab® Horticultural Grow RoomGrodan Stonewool Delta 2" Mini Blocks MM 50 40 6 15, 24 per Strip Case of 60 Strips 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