Horticultural Black Lava Rock
High quality crushed pumice in an ideal horticultural size. Pumice’s porous structure enhances drainage and encourages gas exchange to increase air porosity while also holding water and nutrients.
- Particle Size 3/8″ to 1/32″
- Pumice has a neutral pH that cacti thrive in.
- Excellent nutrient holding ability not possible with other amendments.
- Does not float like perlite, allowing for consistent results, predictable distribution, and reliable drainage and aeration characteristics.
- Provides minerals to cacti/succulents over time enhancing growth
An essential ingredient in any premium cactus soil mix.
*Per cubic litre