Cost Wise Expanded Clay Pellets 1–4mm – LECA/Hydroton Growing Media for Hydroponics & Houseplants, 5L 10L or 20L (20 litre)

• Fine 1–4mm Grade for Precision Growing Ideal for seed starting, propagation, microgreens, and small pots where larger clay pellets are unsuitable.
• Excellent Aeration & Moisture Retention Porous structure allows roots to breathe while holding moisture, helping prevent waterlogging and root rot.
• pH Neutral & Chemically Inert Will not affect soil or nutrient solution balance, making it safe for sensitive plants and hydroponic systems.
• Lightweight, Durable & Reusable Easy to handle, long-lasting, and can be cleaned and reused, offering great value over time.
• Multiple Pack Sizes Available Supplied in 5L, 10L, or 20L packs to suit everything from small indoor projects to larger growing setups.

Expanded Clay Pellets – 1–4mm (5L, 10L & 20L Packs) Expanded clay pellets, also known as LECA or hydroton, are lightweight, porous growing media made from natural clay fired at high temperatures. The fine 1–4mm size is ideal for applications where smaller granules are required, offering excellent moisture retention, aeration, and root support. Material & Structure Manufactured from purified natural clay and kiln-fired to expand, each pellet forms a hard outer shell with a porous, honeycomb interior. This structure allows air and water to circulate freely around plant roots, promoting healthy growth while helping prevent waterlogging and root rot. Size: 1–4mm (Fine Grade) The fine-grade size is particularly suited for: Seed starting and propagation Small pots and trays Microgreens and young plants Semi-hydroponic and wicking systems Mixing into soil or coco coir to improve drainage Key Benefits Lightweight and easy to handle Excellent aeration and moisture retention Helps prevent soil compaction Reusable and long-lasting pH neutral and chemically inert Suitable for hydroponics and soil-based growing Available Pack Sizes 5 Litres 10 Litres 20 Litres Typical Uses Hydroponic and semi-hydro systems Houseplants and indoor gardening Propagation and seed germination Decorative top dressing for plant pots Improving drainage and airflow in soil mixes These 1–4mm expanded clay pellets offer a versatile and reliable growing medium, suitable for both beginners and experienced growers looking for improved plant health and root development.