20lb Mix Horticultural Lava Rocks for Plants, 3/8" Colorful Succulent Potting Soil Amendments, Decorative Gravel for Cactus, Bonsai Gritty Rock, Pebbles Pumice for Vase Fillers, Top Dressing

Colorful & Natural: Mix Horticultural Lava Rocks blend six natural stones for colorful gardening. Sized at 3/8" (6-9mm), they darken when used in water. Eco-friendly, non-staining and non-fading, maintaining enduring beauty at home.

Superior Drainage & Aeration: Succulent potting mix Lava rocks excel in drainage and aeration with their porous structure, maintaining soil moisture and avoiding compaction. They prevent root rot from overwatering, fostering healthy growth and robust root development.

Professional Formulation: These succulent rocks meet diverse nutritional needs, balancing soil pH, boosting disease resistance, purifying water, and stimulating root growth. As soil amendments, they provide essential trace minerals for vibrant plant growth.

Plant-Friendly Protection: The horticultural pumice for plants provide an effective protective barrier against pests, weed overgrowth, and animal disturbances, ensuring the safety and health of plants in various gardening settings.

Widely Used: Gritty mix volcanic rock are versatile for standalone or bonsai soil mixed use. Great for succulents, cacti, bonsai, aquariums, DIY projects, and other indoor and outdoor plants. Rinse 2-3 times before use to remove surface powder from transportation.