
Key Specifications
✔ Volume: 20 liters
✔ Weight: 8 kg (lightweight aggregate) 8
✔ Particle Size: 8-16mm (ideal capillary action) 28
✔ Material: 100% natural fired clay (1200°C kiln-treated) 29
✔ Reusability: 5+ cycles with proper sterilization 26
Professional Benefits
✅ Superior Aeration
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70% porosity prevents waterlogging 8
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Promotes explosive root growth in hydroponics/aquaponics 9
✅ pH-Neutral & Sterile
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No chemical interference (pH 7.0-7.5) 68
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Kiln-fired for pathogen-free start 2
✅ Eco-Friendly Performance
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Recyclable as soil amendment after use 2
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Reduces water consumption via moisture retention 9
Technical Highlights
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Water Retention: 20% (prevents overhydration) 9
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Density: ~230 kg/m³ (floats when dry) 9
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Compatibility:
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Deep Water Culture (DWC)
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Dutch bucket systems
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Orchid semi-hydroponics 212
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Usage Guide
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Preparation: Rinse thoroughly to remove dust 212
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Hydroponics: Fill net pots or media beds (3-5cm layer recommended)
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Soil Amendment: Mix 20-30% with heavy substrates for drainage 6
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Maintenance: Sterilize between uses (hydrogen peroxide soak) 2
What’s Included
✓ 20L resealable bag of expanded clay pebbles 8
Pro Tip: For seedlings, layer with finer 1-4mm pebbles for stability