BuildASoil Lava Rock
Best soil amendment for container gardeners seeking superior aeration and drainage.
Ditch the perlite for this volcanic amendment if you want soil that actually stays put. It provides the same essential drainage and aeration but adds a mineral boost that won't float to the surface or break down over time. It is a permanent, structural upgrade for any serious container gardener.
$19.00
at
Atlantishydroponics
Who it's for
- Gardeners seeking healthier roots and better soil drainage
- Long-term growers wanting permanent, non-degrading soil structure
- Indoor plant owners needing consistent, reliable moisture levels
Who should skip it
- Container gardeners who frequently rearrange heavy potted plants
- Busy growers wanting a ready-to-use, mess-free soil amendment
- Gardeners with sensitive hands or delicate root systems
Performance breakdown
Aeration Efficiency
Superior structure prevents compaction, keeping root zones oxygenated and healthy.
Container Stability
Dense volcanic rock stays put, unlike lightweight perlite that floats away.
Drainage Performance
Rapid water throughput ensures roots never sit in stagnant, soggy soil.
Mineral Enrichment
Slow-release volcanic minerals provide a steady, long-term nutrient boost.
Material Durability
Hardened rock resists breakdown, making it a reusable, permanent soil fixture.
Topdressing Utility
Attractive black finish effectively retains moisture while suppressing surface evaporation.
Key Specs
Material
Natural Lava Rock
Particle Size
3/8" minus
Weight
10 lb Bag
Color
Black
Application
Soil amendment, topdressing
Soil Type
Potting Mix
Intended Use
Raised Beds
Key Ingredients
Perlite
Moisture Retention Level
High
Drainage Level
Fast Draining
Know before you buy
Still have a question?
Ask Metto anything about the BuildASoil Lava Rock before you decide.
