Black Lava Rocks

$5.00
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Black Lava Rocks

Black Lava Rocks is used as a soil additive that can also be used as a growing medium.

  • Irregular pores in stone absorb moisture
  • Improves aeration and drainage while maintaining moisture 
  • Lightens potting mix to provide air to plant roots
  • 6-12mm
  • Each packet is approximately 1L (500 grams)

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