Grow Slab 36 inchx6 inchx3 inch Organic Pesticides so the tray floods to

so the tray floods to the level you want before it drains back

reducing noise pollution and creating a more pleasant working environment

Material held at 84% reads damp

Measurement Range: 0-9990 ppm

200 GPD or 50 gallon per hour of pure water

Grow Slab 36 inchx6 inchx3 inch Organic Pesticides so the tray floods toLearn more about STG by watching their instructional videos at Recommended for long term crops such as tomatoes and cucumbers and for direct seeding baby salad greens and herbs. Special Features: Slabs are encased in a plastic sleeve which blocks algae, prevents heat build up and reduces evaporation. Seedlings and cuttings an be started in STG Grow Cubes and Blocks and transplanted into Slabs or can be started directly in STG Grow Slabs. Compatible