GROW!T Clay Pebbles 10L Seed Starting 1 top bin with 150-micron

1 top bin with 150-micron interchangeable stainless steel screen

Automatic temperature compensation for accurate readings everywhere

These hygrometers are also perfect for humidors

5" (H) x 8" (W) x 8

It comes with an Aluminum top and bottom to reduce weight and increase ease of installation

GROW!T Clay Pebbles 10L Seed Starting 1 top bin with 150-micronGROW! T Clay Pebbles, 10 L GROW! T horticultural clay pebbles are made from 100% natural clay. They are clean, pH stable, and offer great aeration and drainage in hydroponics, especially in flood and drain, deep water culture, and drip feed systems. Due to their unique structure and ability to cover a large surface area, they offer the ideal environment to foster beneficial bacterial growth around the root zone, leading to naturally healthier plants.