Gun smoke 6-8mm 4.5kg is a river pebble is sourced from the Central Otago region, New Zealand. It is a predominantly grey schist with streaks of white interspersed with flecks of silver.
Shaped by ancient glacial flows and the swift rivers of Central Otago, it is mostly oval in shape. This is an ideal schist for aquariums wanting a natural Southern alpine feel. Aquarium safe Reptile safe Pure New Zealand Beauty Triple Washed