Ultum Nature Systems Controsand is a natural substrate for the planted aquarium. It will not alter water parameters and can be used in various applications. Rinsing is recommended before use to remove finer grains.

Vesuvius is a chunky gravel made from Black Lava Rock. A popular hardscape choice, Black Lava is great for creating stark contrast against vividly colored aquatic plant species. It is naturally porous, supports a balanced ecosystem and can be used alone or as an accent on top of another style of Controsand