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 trigger has a lock-on

The trigger has a lock-on option that can be engaged for continuous spraying

CO2 tanks are shipped empty and do not contain CO2

The Quest 70 Pint Dehumidifier provides the ultimate in flexibility for the most challenging space restrictions and specialized applications

Captures particles (including mold spores) down to 1 micron in size

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 trigger has a lock-onMini 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.