Clay Pebbles for Hydroponic Aquaponic 10 Liter Pack
Clay Pebbles for Hydroponic Aquaponic 10 Liter Pack for Malaysia, Indonesia. Main Navigation ... Well quite obviously clay but there not just solid clay balls. The centre of a clay pebble is honeycomb to make it light weight and the outside of a clay pebble is covered in a thin layer of solid clay making them suitable for use in hydroponics ...