Used in agriculture before the days of ancient Rome, pumice continues to be an ideal growing medium to this day. Uni-Gro Pumice has a variety of characteristics making it useful throughout your garden.

• Provides excellent aeration to the soil, it loosens heavy clay soil and retains moisture well.
• It won't break down, compact or rot, giving your roots the space they need. Along with these characteristics, Uni-Gro Pumice will also make it easy to control nutrients.
• Has a neutral pH and does not give off any offensive odors.
• 100% natural volcanic rock
• Great to use as an ingredient in succulent potting medium (1/2 pumice, 1/2 potting soil).