Description
ROCKWOOL BLOCKS
Pargro is the leader among affordable horticultural rockwool and is better quality and drainage than other value-priced rockwool. Made right in the Grodan factory, you can be assured of a high-quality product at a great price. Gro-Blocks are perfect for fast-growing plants which require regular, aggressive feeding thanks to its amazing ability to drain quickly between irrigations.
Jumbo, 6" x 6" x 4", and Biggie, 6" x 6" x 6", sizes available.