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) The ONA Storm is ideal

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

a must in every grower's toolbox

With their warm 2000° Kelvin color temperature they consistently provide intense light in the correct spectral range for vigorous flowering growth

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

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) The ONA Storm is idealMini 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.