Grow Slab 36 inchx6 inchx3 inch Organic Pesticides Measurement Range: 0-9990 ppm

Measurement Range: 0-9990 ppm

Weight: 74 g (2

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

and greenhouse

What Does the Double Overwrap Protect

Grow Slab 36 inchx6 inchx3 inch Organic Pesticides Measurement Range: 0-9990 ppmLearn 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