Volcanic Rock- Black 3/8''
Black volcanic lava rock will help to improve drainage and aeration. Available in bulk
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Black volcanic lava rock is lightweight and porous and will maintain its shape for a long period of time without further breaking down. It is used as an amendment in soil and potting mixes to improve drainage and contribute to moisture retention.
Suggested application: 5%-20% of total soil mix.
Available in bulk
Weight: Approximately 2000 lbs./yard