Grodan Rockwool/Stonewool Delta Starter Mini-Blocks nutrients-and-supplements • Multiple intake/exhaust ports—including two

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

stimulate plant growth by increasing cell division

and foster overall plant vigor

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

Grodan Rockwool/Stonewool Delta Starter Mini-Blocks nutrients-and-supplements • Multiple intake/exhaust ports—including twoMini 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.