Grodan Rockwool/Stonewool Delta Starter Mini-Blocks Options:Grodan 2 in Starter Mini-Blocks MM50/40 2 in x 2 in x 2 in (2 Strips of 12 or 24 ct) (60/Cs) Effective area: Up to 250

Effective area: Up to 250 sq ft at 10' ceiling height or 2500 cu ft

initiating multiple flowering sites and preventing fungal diseases from forming on your leaves

brighter light coverage

With the Biobizz Stimulant Pack

The Autopilot APBC1001 signal conversion module is ideal for facilities utilizing commercial environmental controllers to control lighting

Grodan Rockwool/Stonewool Delta Starter Mini-Blocks Options:Grodan 2 in Starter Mini-Blocks MM50/40 2 in x 2 in x 2 in (2 Strips of 12 or 24 ct) (60/Cs) Effective area: Up to 250Mini 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. Remove wrapping and transplant into any loose media such as Grow Cubes or coconut fiber or leave wrapping on and set on top of a larger Gro Block. Packed in easy tear away strips, labeled with instructions.