Halatool 10 LB Organic Clay Pebbles 4mm-16mm Leca for Plants 100% Natural Hydroton Clay Pebbles for Hydroponic Growing Gardening Orchids Drainage Decoration AquaponicsBrand: Halatool Color: 10LB Features: What You Will Recieved: You will get 10 lB leca balls, each leca ball is about 4 16 mm in diameter. These are perfect for orchids, succulents, fish tank, bonsai. They're all very different sizes, which works very well for getting in different nooks and crannies between roots. Natural Material: Our expanded clay pebbles are natural, organic, porous and lightweight. They are good growth medium for plants. Especially