Grodan Rockwool/Stonewool Delta Starter Mini-Blocks Options:Grodan 1.5 in Starter Mini-Blocks MM40/40 1.5 in x 1.5 in x 1.5 in (3 Strips of 15 or 45 ct) (50/Cs) only specific types of energy

only specific types of energy (in the lighting spectrum) drive the photosynthesis process

The ONA Storm is ideal for neutralizing airborne odors in larger facilities such as schools

The TRS21 Active Closed Loop Recovery Kit is an upgrade kit that can be added to our passive systems to make it active

The PHOTOBIO•M multi-bar LED can be applied as a direct 1000W HID alternative or retrofit

Zero optical distortion

Grodan Rockwool/Stonewool Delta Starter Mini-Blocks Options:Grodan 1.5 in Starter Mini-Blocks MM40/40 1.5 in x 1.5 in x 1.5 in (3 Strips of 15 or 45 ct) (50/Cs) only specific types of energyMini 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.