Colorado Lava Rock Granules Bonsai Tree Soil Additive - 10 lbs. (5 Qts.)

Sale price$22.95


Lava Rock is a naturally occurring volcanic cinder with a porous structure that makes the material lightweight and highly moisture retentive.

Incorporate into your bonsai soil mix to increase drainage (aeration). It will absorb up to 40% of its weight in water.

Small lava rock (1/4 inch) is the best "sand" component around because it is "sharp" and has very irregular surfaces.

10 lb. bag.

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