UNS Controsoil is an andisol based substrate created from the volcanic ash of Mount Aso in Japan. Choosing the right substrate is a vital component for a successful planted aquarium. It allows plants to flourish while buffering the water to optimum levels for certain freshwater livestock.

Proper aquarium substrate is paramount to successfully growing healthy aquatic plants. Controsoil is essential to provide a optimal environment for livestock. The texture and porosity provide the perfect medium for plant roots to latch onto. This soil is specifically designed for planted aquariums and shrimp keeping without excessive ammonia.

Ultum Nature Controsoil does not require any initial rinsing/boiling and provides clear water upon initial filling. For the best results, place your Controsoil into your aquarium prior to adding water. Add water slowly without stirring up the soil. Directions: Place the substrate in to an empty aquarium.

When filling the aquarium with water, place a dish or other item to disburse the water flow and minimize disruption to the substrate layer. How much soil do I need? Length x Width x Desired Substrate Height (in inches), Divided by 60 = Liters of soil needed. Made in Japan.

Available in 2 colors: Black and Brown. Available in 3 granule sizes: Normal (5mm), Fine (3mm), and Extra Fine (1mm). Available in three bag sizes: 1L, 3L, and 10L.