Expanded Clay Pebbles 4–10mm (LECA) – Premium Keramzyt for Plants, Hydroponics & Semi Hydro | Lightweight Clay Balls for Drainage, Aeration & Root Health (20L)

• IDEAL 4–10MM SIZE: Perfect mid-grade clay pebbles for semi-hydro, smaller pots, and soil mixes – offering better root contact than large pebbles while maintaining excellent airflow.
• PREMIUM LECA CLAY PEBBLES: High-quality expanded clay balls designed for hydroponics, passive hydro, and houseplants – improves drainage while supporting strong root development.
• PERFECT FOR MULTIPLE APPLICATIONS: Ideal for semi-hydro setups, orchid substrates, drainage layers, and mixing with soil to improve structure and aeration.
• PREVENTS OVERWATERING: Porous structure allows excess water to drain while retaining essential moisture – reducing root rot risk.
• DURABLE & REUSABLE: Kiln-fired for strength and longevity – can be washed and reused across multiple growing cycles.
• NATURAL & PH NEUTRAL: Made from natural clay, safe for all plants including edibles.

Upgrade your plant care with our Expanded Clay Pebbles 4–10mm (LECA) – the perfect mid-grade growing medium designed for balanced drainage, moisture retention, and root aeration. Whether you're growing houseplants, using semi-hydro methods, or improving your soil structure, this versatile size offers the ideal combination of airflow and root contact for healthier plant growth. Unlike larger clay pebbles, the 4–10mm grading provides better root coverage and stability, while still allowing excellent oxygen flow. Compared to finer grades, it prevents compaction and ensures consistent drainage, making it a reliable choice for both beginners and experienced growers. This makes it especially effective for: Semi-hydroponic growing systems (passive hydro) Houseplants and smaller pots Orchid and aroid substrates Mixing into soil for improved aeration Drainage layers in pots and planters Made from natural clay and kiln-fired at high temperatures, these lightweight clay balls develop a porous structure that absorbs and releases moisture as needed. This helps prevent overwatering while maintaining a stable environment around the roots—reducing stress and encouraging stronger, faster growth. Our LECA clay pebbles are pH neutral, chemically inert, and reusable, making them safe for all plant types, including edible crops. Simply rinse and reuse across multiple growing cycles for a sustainable and cost-effective solution. Whether you're transitioning to semi-hydro or simply improving your potting mix, this 4–10mm expanded clay aggregate delivers the perfect balance of performance and versatility.