Expanded clay pebbles for drainage and aeration

This catalog entry describes a two-liter bag of expanded clay pebbles, also known as LECA. These porous stones range from 0.4 to 0.7 inches in size and are used as a growing medium in hydroponic and aquaponic systems. The natural clay material is heat-treated to create a lightweight, airy structure.

The pebbles are designed to provide excellent drainage and aeration for plant roots, which is essential for preventing rot. They can be used on their own in net pots or mixed with other media to improve soil structure for orchids and other sensitive plants. The pH-neutral nature of the clay ensures it won't interfere with nutrient solutions.

These listings offer a versatile media for various gardening applications, including water purification and decorative top-dressing. The pebbles are reusable after cleaning, making them a sustainable choice for long-term indoor gardening. This two-liter volume is a convenient size for small pots or individual hydroponic units.