Hydroton Vermiculite (8qt or 4cu ft bags) Grodan (4"x4"x4" sq wrapped 6 to pack) $9.50 Grodan 8"x36"x3" Slab (wrapped) $9.95 Grodan 1.5" sq Starter Cubes (98-Sheet) $13.00 CoirBrick $4.00 CoirBlock $14.00 Compressed Sphagnum Moss $6.50 Pargro Rockwool Starter Cubes $12.50 Perlite 8 qt $4.95 Perlite 4 cf Bag $23.00