Bonsaiboy Colorado Lava Rock Granules Bonsai Tree Soil Additive - 5 lbs. (2.5 Qts.)
Bonsaiboy's Colorado lava rock granules, 5 lbs (2.5 Qts.) of bonsai soil additive for drainage and aeration.
Price range: See on Amazon
What we liked
- + Colorado lava granules provide lasting, open soil structure
- + 5 lbs bag is sized for mixing several batches of bonsai soil
- + Bonsaiboy offers bonsai-specific sizing rather than garden grade
Trade-offs
- - Rough lava can abrade fine roots when repotting
- - Check the granule size in photos before mixing with fine soil
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