This 25-liter bag of Hydrofarm GROW!T Clay Pebbles are the pebbles you need for healthy plants. Made of 100 percent natural clay， these pebbles are clean， pH stable， and are superb for aeration and drainage in hydroponics. They are ideal in flood and drain， deep water culture， and drip feed systems. Their distinctive shape and ability to cover large surface areas allow beneficial bacteria to grow around the root which leads to naturally healthier plants. These pebbles can be used for aeration， decoration， hydroponics， hydroculture， and aquaponics. Their strong structure means less breakage and the compactness prevents dripper systems from being blocked. They are pre-washed to aid in stability and range anywhere from 4-16 millimeters in size. Healthy plants equal happy plants， and happy plants equal a happy grower. Grab this 25-liter bag of Hydrofarm GROW!T Clay Pebbles and see the healthy happiness for yourself.

• Made from 100% natural clay and extremely stable in both pH and EC
• Strong structural integrity means that they are less likely to break and compact， which helps to prevent dripper systems from getting blocked
• Pebble size 4mm - 16mm
• Pre-washed to aid in stability
• Drains freely and does not hold any excess water， providing good oxygen levels around the root; suitable for flood and drain systems， multi-pot and drip feed systems
• Provides an ideal environment to foster beneficial bacteria growth
• Aids in better root development
• Ideal to mix into coco coir or soil to aid aeration
• Used in hydroponic growing and aquaponic systems
• Looks great as a top dressing for poots and helps to prevent evaporation
• Color: Brown
• Bag Size: 0.90 Cubic Feet/25 Liter bag
• Manufacturer warranty: 1-year warranty
• Weight: 24 pounds