GRODAN GRO-BLOCKS IMPROVED JUMBO 6X6X4'' (64)

-Made at the Grodan factories
-Plain brown half case sizes
-Better quality and drainage than other value-priced Rockwool
-Resting saturation measurements taken from QD slabs vs. Neptune slabs. Pargro QD was 10% drier than Neptune slabs
-Plain brown half case sizes. 
-Better quality and drainage than other value-priced rockwool.