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) Includes: 3-stage RO unit

Includes: 3-stage RO unit

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

a must in every grower's toolbox

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

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) Includes: 3-stage RO unitMini 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.