Grey Mountain Rock 1kg

Grey Mountain Rock is a rugged, stone textured rock that adds a bold and natural feel to any aquascape. Also known as grey mountain stone, it has deep grey tones, sharp edges and natural layering that create a mountain-like landscape in freshwater aquariums. One of our most striking aquarium rocks for Iwagumi layouts, it is sold by the kilo, with every piece a different size and shape.

Perfect for Aquascaping Layouts
Whether you’re building a dramatic Iwagumi scape or adding structure to a nature style tank, Grey Mountain Rock delivers visual weight and height. Its sharp lines and natural ridges create shadows and depth, making it ideal for focal points or as part of a larger rock arrangement. The textured surface also supports plant attachment and biofilm growth.

Safe and Suitable for Freshwater Tanks
Grey Mountain Rock is inert and aquarium safe, making it suitable for freshwater fish, shrimp, and snails. It won’t alter your water chemistry and does not raise pH or hardness. Simply wash off any surface dust before placing it in your tank to ensure a clean start.

Naturally Formed with Unique Detail
Each piece of Grey Mountain Rock is unique, shaped over time by natural forces. No two rocks are the same, which allows aquascapers to build custom landscapes with personality and texture. Whether used alone or combined with wood and plants, it brings realism and balance to your aquarium layout.

Transform your tank into a mountain inspired aquascape with grey mountain stone, a striking and natural choice for aquarists who want strong structure and clean design. Pair it with our dragon stone or aquarium driftwood, or browse all our aquarium decor. Buy more and save, with multi-buy discounts from 2kg.

Shipping Information

We take care to ensure your order arrives in excellent condition and ready to settle into your aquarium. All orders are shipped with tracking, and the cut-off time for same-day dispatch is 4 pm.

Orders containing dry goods, shrimp, snails or plants are dispatched Monday to Friday via Royal Mail for fast, reliable delivery. Livestock, in particular live fish and invertebrates, are dispatched Monday to Wednesday only, using an approved overnight courier, to avoid weekend delays and ensure safe and timely delivery.

Track Your Order

You will receive a tracking number by email when we begin processing your order for shipping. The selected courier will provide updates on delivery only through their tracking page.

During colder weather, heat packs are added when needed. Livestock orders are carefully packed in insulated boxes to help maintain a stable temperature throughout transit.

View our Shipping Policy