Zeolite Mineral Lava Rocks (Regular)

Arden Line Zeolite Regular — Natural Mineral Soil Amendment (Clinoptilolite, 1/8"–1/4" / 3–6 mm)

Arden Line Zeolite Regular is a premium, mineral-based soil amendment that improves drainage, aeration, and nutrient retention in both indoor and outdoor growing environments. Sourced and processed 100% in the United States, it's ideal for growers who value quality, sustainability, and performance.

Zeolite is a naturally porous mineral that absorbs excess moisture while slowly releasing nutrients back into the soil. This helps prevent overwatering, reduces soil compaction, and supports healthy root development over time. With a naturally high pH of approximately 8.5, it is compatible with a wide range of plants and soil blends.

Key Benefits

• Improves soil drainage and airflow
• Retains nutrients and moisture for steady plant growth
• Supports stronger, healthier root systems
• Helps reduce odors in soil and containers
• Long-lasting mineral that does not break down
• 100% natural, eco-friendly, and sustainably sourced
• Plastic-free packaging, with no synthetic additives, fillers, or chemicals

Common Uses

• Bonsai trees and training pots
• Succulents and cactus
• Orchids and houseplants
• Herbs, flowers, shrubs, and roses
• Vegetable gardens, raised beds, and planters
• Aquarium and decorative use

At a Glance

• What it is: Natural zeolite (clinoptilolite) soil amendment, regular grade
• Particle size: 1/8"–1/4" (3–6 mm)
• Best for: Bonsai, succulents, orchids, houseplants, raised beds, and gardens
• How it works: Holds water and nutrients in the root zone and releases them slowly
• pH: Approximately 8.5
• Sizes: 6, 12, 18, and 24 lb
• Origin: 100% sourced and processed in the USA

Frequently Asked Questions

What does zeolite do for soil?
Its porous structure holds water and positively charged nutrients such as potassium and ammonium in the root zone and releases them slowly, so you water and fertilize less often while improving drainage and aeration.

How much should I use?
Mix in at roughly 5–10% of soil volume for containers, or about 1–2 lb per 10 square feet worked into garden beds.

Does zeolite break down over time?
No. It is an inert mineral that does not decompose, so a single application keeps working for years.

What is the difference between Regular and Granular?
Particle size. Regular is 1/8"–1/4" (3–6 mm) for drainage and bonsai-style mixes; Granular is finer (1.4–4 mm) for blending into potting soil and container plants.

Is it safe for aquariums and houseplants?
Yes. It is a natural mineral with no additives, suitable for decorative, aquarium, and indoor plant use.