Hydrorock Hydroponic Pebbles, 42 Quart Bag

Superior for hydroponics: less water usage, pH neutral, great aeration and much more!

Pure and Organic. Hydrorock is created by heating clay at temperatures that exceed 2000° F. Hydrorock has many features and benefits with versatile applications:

• Reduces water usage; it retains 35% of its weight in water!
• pH neutral; it will not affect the soil balance.
• Won't clog up hydroponic systems because Hydrorock will not decompose!
• Pebble design ensures superior aeration.
• Prevents soil compaction.
• Reusable after washing so delivers great long-term value.
• Promotes healthy root structure.
• With its decorative color, it blends well with other soils.
• Also makes a great mulch or ground aggregate in high traffic areas.