Properties:
soil amendment and hydroponic media:
1/8 to 3/8" (3.2 to 9.5 mm) particle size
dry density of < 600 kg/m3
inert, near neutral pH
landscaping and drainage media:
3/8” to 3” (9.5 to 76 mm) particle size
dry density of 450 - 500 kg/m3
inert, near neutral pH
Custom gradations are available upon request.

