Grodan Rockwool/Stonewool Delta Starter Mini-Blocks nutrients-and-supplements 10 lbs (fills 2 cu

10 lbs (fills 2 cu ft)

• Multiple intake/exhaust ports—including two ports opposite each other at reflector level for air-cooling of lighting system on most models

and foster overall plant vigor

while its patented double-wall design helps to keep it running cool

from seedling through harvest

Grodan Rockwool/Stonewool Delta Starter Mini-Blocks nutrients-and-supplements 10 lbs (fills 2 cuMini 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.