Leca Horticultural Grit, Clay Pebbles, Lava rock like, Fine Grade 2-4mm (2L)

• Provides a free-draining ground cover and decorative pot topping. Ideal for low-growing alpines and herbs. Forms a fast-draining “collar” around moisture-sensitive plants and helps discourage moss and lichen on the surface.
• Terrariums, Bottle Gardens & Vivariums: An ideal free-draining gravel substrate that improves soil conditions in both open and closed glass containers. Acts as a lightweight yet effective drainage layer for vivariums.
• For seeds and cuttungs they are Sterile and pH-neutral, making it ideal for sowing seeds and rooting cuttings. Its honeycomb structure warms quickly to support germination and provides insulation for vulnerable seedlings.
• Helps maintain a stable root environment by improving insulation and drainage. Protects potted plants from winter frost, limits heat stress in plastic containers during summer, and boosts airflow through the soil.
• Terrariums, Bottle Gardens, and Vivariums: Ideal free-draining gravel substrate. Enhances soil conditions in open and closed glass containers. Lightweight drainage layer in vivariums.
• Ideal for film set dressing, photographic shoots, and art installations. Filler/extender for lightweight, sound, and heat insulating backing coats.

Product description Leca Horticultural Grit — a versatile, high-performance essential for healthier plants and beautifully finished displays. This premium Lightweight Expanded Clay Aggregate, supplied pre-packed and exclusively distributed, is designed to improve drainage, protect roots, and elevate both indoor and outdoor planting. Key Benefits Ground Cover & Pot Topping Free-draining ground cover and decorative pot topping Ideal for low-growing alpines and herbs Forms a fast-draining “collar” for moisture-sensitive plants Helps discourage moss and lichen on the soil surface Flowering Bulbs Improves drainage in proprietary composts Ideal for spring and summer flowering bulbs Enhances growing media when mixed at a 1:2 ratio of grit to compost Creates an attractive and practical top dressing Seeds & Cuttings Sterile and pH-neutral — perfect for seeds and cuttings Honeycomb structure warms quickly to support germination Provides insulation for delicate seedlings In the Garden Excellent insulation for plunge beds Protects potted plants from winter frost Prevents overheating in plastic pots during summer Aerates soil and improves both surface and deep drainage Terrariums, Bottle Gardens & Vivariums Free-draining gravel substrate Enhances soil conditions in open and closed glass containers Lightweight drainage layer for vivariums Additional Uses Suitable for film sets, photography, and art installations Can be used as a filler or extender in lightweight, sound- and heat-insulating backing coats Safety Warning Handle with care, avoid inhalation, and wash hands after use.