AO LECA Expanded Clay Aggregate - 4 Quart Premium Drainage LayerVolume: 4 Quarts (3.8 Liters)Size: 8-16mm lightweight clay pebblesWeight: 1800g (4 lbs)Build the foundation of your bioactive terrarium with our premium LECA (Lightweight Expanded Clay Aggregate)! These specially fired clay pebbles provide superior drainage and aeration, essential for healthy bioactive ecosystems.ποΈ Professional Drainage Solution Superior Drainage: Prevents waterlogging and root rot Excellent Aeration: Promotes healthy root development pH Neutral: Won't affect substrate chemistry Lightweight: Reduces overall terrarium weight Reusable: Can be cleaned and reused indefinitely πΏ Perfect Applications Bioactive Terrariums: Essential drainage layer for all bioactive setups Paludariums: Separates aquatic and terrestrial zones Planted Vivariums: Prevents waterlogged soil conditions Hydroponic Systems: Excellent growing medium for plants False Bottoms: Creates water reservoirs in humid setups π Setup Guidelines Layer Depth: 1-2 inches for most applications Separation: Use mesh or fabric to separate from substrate Water Level: Can be partially submerged for humidity Cleaning: Rinse before use to remove dust Maintenance: Virtually maintenance-free once installed Professional Tip: Essential first layer in any bioactive system - use under all AO Bio-Soil products for optimal drainage.Build your bioactive terrarium on a solid foundation!