2LBS Leca Expanded Clay Pebbles Natural expanded clay pebbles that are lightweight, pH-neutral, and decorative. Pebble size of 6 – 18mm suitable for small to medium pots and garden plants. Ideal for hydroponics as the porous structure provides aeration, prevents rotting, and stores nutrients. Improves water quality, retains water and nutrients, and can be combined with other soil media. Environmentally friendly, dust-free, and reusable after cleaning.
