Leca / Hydroclay 50 Liter 8 mm - 16 mm

Hydro-clay is also commonly referred to as: L.E.C.A., light expanded clay aggregate, grow rocks, expanded clay, clay aggregate, to name a few. Hydro-clay is widely known throughout the world as the preferred natural substrate used in hydro-culture and hydroponics.

These Pellets are between 8mm to 16mm in size