Black Lava Rocks
$5.00
Details
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
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Each packet is approximately 1L (500 grams)
