Volcanic/Lava Rock 2L (Fine Grade)

Volcanic/lava rock is a potting medium and soil amendment material with good drainage qualities that may be added into potting soil to improve drainage and root aeration. It can be used as a top dressing, mulch, and to avoid soil hardening and splashing. Volcanic/lava rock can also be used to enhance drainage at the base of pots and is commonly used as a whole or part of succulent soil mixture.