McDonald Lake Nano Boulder S 2kg

The Wio McDonald Lake Nano Boulders are a stunning addition to any aquarium or terrarium. Add unique and colourful riverbed impressions to your aquarium or terrarium with the McDonald Lake Nano Boulders. These rare and beautiful stones come in shades of dark red, maroon, green, blue, and black, and are perfect for adding a beautiful and colourful touch to any aquascape. The stones are named after the Glacier National Park's biggest lake in Montana, USA.

The colours of the McDonald Lake Nano Boulders come from the iron content in sedimentary pebble rocks and the degree of their oxidation. These rocks were formed over millions of years under different conditions, resulting in the stunning colours seen today. During the Ice Age, giant ice blocks ground the lake rocks into small coloured pebbles, which were then brought into the valley by streams of meltwater.

The McDonald Lake Nano Boulders are perfect for creating a unique and colourful riverbed impression in your aquarium or terrarium. They are available in sizes under 10cm and can be complemented with larger McDonald Lake Boulders. Some boulders may raise pH and hardness slightly, but regular water changes can keep the hardness under control.