Grodan Stonewool Delta Starter Mini-Blocks 2" X 2" X 1.5" - 50/40 6/15

Mini-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 Growcubes or coconut fiber or leave wrapping on and set on top of a larger Gro-Block. Packed in easy to tear away strips, labeled with instructions.