Grodan® Stonewool Delta Starter Mini-Blocks 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) Grow sites are all different

Grow sites are all different so now you can choose the pump size to match your setup needs and add optional extras like Bluelab Alarm Box and Sample Pot to your dosing system setup

now 30 Pint @ 80°F

bloom-ready plants

Successful calibration indicator

Grodan® Stonewool Delta Starter Mini-Blocks 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) Grow sites are all differentMini 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.