Pargro Grodan Pargro Quick Drain Jumbo Gro-Block w/ Hole - 1 Block - Multi
From Macy's
Grodan Pargro line has been modified to be the driest value-priced Rockwool on the market. Pargro is the most economical quality horticultural stone wool on the market. There are other brands that offer the same low price, but you end up sacrificing quality. Not with Pargro!
