expanded clay pebbles

Clay pebbles

These expanded clay pebbles are inert, lightweight and sterile. They are ideal for supporting plants in hydroponic systems such as floating rafts (such as our salad raft), pot culture or flood and drain systems. We also recommend these clay pebbles as a decorative mulch on the surface of our Gold hydroponic growing medium to reduce algal growth and evaporation.

The expanded clay pebbles are pH neutral and have a granule size of 8 – 16mm.

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